Events

Pick your event. Get a plan and AI coaching built around its exact demands.

'Ard Moors Enduro

Grassroots-gritty North York Moors timed-stage MTB enduro — result is combined timed descent-stage times, liaisons untimed; decided by descent skill and repeatability, not FTP. Distance/elevation/stages and date are approximate estimates.

North York Moors, North Yorkshire, England

10 Under the Ben

10hr daylight MTB endurance race at Nevis Range, Fort William. ~10km technical singletrack laps, ~400m climbing per lap. Higher intensity than 24hr racing.

Nevis Range, Fort William, Scottish Highlands

24 Heures d'INSA Lyon

24hr road cycling race on a flat ~3km campus circuit in Lyon, France. Solo and relay teams. Student festival atmosphere. Warm conditions, no climbing.

INSA Campus, Villeurbanne (Lyon), France

3 Peaks Cyclo-Cross

The legendary hardest cyclocross race in the world: ~61km over the three Yorkshire peaks (Ingleborough, Whernside, Pen-y-ghent) on CX bikes, with brutal hike-a-bike carries up rocky fells. Ballot entry, capped at ~400. Date approximate (est. 26 Sep 2027).

Helwith Bridge / Horton-in-Ribblesdale, Yorkshire Dales

3SIX12 12-Hour

12hr MTB XC endurance race at Newnham Park, Plymouth, Devon. ~5-6km singletrack laps, daylight into dusk. Solo/pairs/singlespeed. National championship venue (2025). Lights needed for final laps.

Newnham Park, Plymouth, Devon

3SIX12 24-Hour

24hr MTB XC endurance race at Newnham Park, Plymouth, Devon. ~5-6km singletrack laps, 16hr daylight + 8hr night. Solo/pairs/teams/singlespeed. Summer 24hr — heat management by day, mild night riding. National championship venue.

Newnham Park, Plymouth, Devon

3SIX12 6-Hour

6hr MTB XC endurance race at Newnham Park, Plymouth, Devon. ~5-6km singletrack laps on a classic World Cup venue. Solo/pairs. Summer event — heat management, not cold survival.

Newnham Park, Plymouth, Devon

4Islands MTB (Epic Series)

Epic Series flagship island-hopping MTB stage race across the Kvarner islands, Croatia (Krk → Cres → Unije → Lošinj) — ~300km / ~6,500m, sharp Adriatic karst, a queen stage and a time trial, ferry transfers. Date approximate.

Kvarner islands (Krk → Lošinj), Croatia

7 Cities of Wales

Long self-supported off-road bikepacking loop linking the cities of Wales across mountains, valleys and coast, ~1,200km. Late-July date and distances/elevation approximate.

Rogerstone, South Wales (loop)

Absa Cape Epic

The world's most iconic MTB stage race: 8 days, ~707km and ~15,900m of climbing across South Africa's Western Cape, ridden in pairs (both riders finish together). Next-edition date is approximate (est. mid-March 2027).

Cape Town / Meerendal → Stellenbosch, Western Cape

Acea Run Rome The Marathon

42.195km road marathon starting and finishing on Via dei Fori Imperiali by the Colosseum. 08:30 start, 7hr cutoff, ~55m gentle elevation but ~6km of sampietrini cobblestones, much between 30-40km. A sightseeing course, not a PB course. Colosseum, Trastevere, Vatican, Piazza Navona; crosses the Tiber ~6 times. FIDAL Gold, Boston-qualifier.

Rome, Italy

ADAC Cyclassics Hamburg

Germany's biggest one-day race and a UCI Gran Fondo qualifier — a flat, fast, big-bunch city event finishing with a boulevard sprint in Hamburg. Routes vary yearly (historically ~155km; 2026 offered ~110km/~60km). Next date approximate — verify.

Hamburg, northern Germany

ADAC Velotour (Eschborn-Frankfurt)

A big German closed-road amateur ride on the pro Eschborn-Frankfurt classic course — ~103km and ~1,500m of climbing through Frankfurt's skyline and the Taunus hills (the Feldberg and Mammolshainer Stich), ridden hours before the WorldTour pros. A ride-the-classic climbing day. Next edition Sat 1 May 2027 (confirmed).

Frankfurt / Taunus region, Germany

adidas Stockholm Marathon

42.195km rolling road marathon across a capital built on 14 islands, through medieval Gamla Stan, finishing inside the 1912 Olympic Stadium. ~208m rolling elevation over roughly two laps, ~12:00 midday start so afternoon heat is a real factor. Not a flat PB course.

Stockholm, Sweden

Albstadt Bike Marathon

One of Germany's best-known mass MTB marathons in the Schwäbische Alb — marathon ~82km / ~2,000m (plus a ~45km option) on forest roads, gravel and asphalt links. UCI XCO World Cup venue. Next date ~2027-07-10 approximate.

Albstadt-Ebingen, Schwäbische Alb, Baden-Württemberg, Germany

Alpentour Trophy

Multi-day UCI MTB stage race (S1) from Schladming, Austria — four stages of off-road Alpine singletrack and gravel climbing through the Schladming-Dachstein region. Cumulative GC, solo/pairs. Next date ~2027-06-19 approximate.

Schladming, Styria, Austria

Alps Divide

~1,050km self-supported high-Alpine off-road bikepacking traverse ending on the Mediterranean, with ~25,000m+ of climbing and significant hike-a-bike. ~2027 date and figures are approximate.

Alpine traverse → Menton, France

Amstel Gold Race Toerversie

Amateur sportive on the Amstel Gold Race parcours in Dutch Limburg, ridden the day before the pros. Flagship ~150km / ~2,200m over dozens of short steep 'bergs' — Keutenberg (ramps to ~22%), Eyserbosweg, Cauberg finish. Multiple route options (~65-240km). Death-by-a-thousand-cuts punchy climbing. Next edition 18 Apr 2026.

Dutch Limburg (Maastricht / Valkenburg), Netherlands

Andalucía Bike Race by Garmin

Multi-day UCI off-road MTB stage race in Andalusia (Granada, Jaén, Córdoba) ridden in pairs — ~305km / ~8,630m over the stages, technical XCO and marathon terrain, ~800-1,000 riders. Date approximate.

Andalusia (Granada / Jaén / Córdoba), Spain

Andorra Epic

High-Pyrenean multi-day MTB stage race in Andorra (~150-200km, approximate) with huge alpine climbing and technical descents at altitude. Ridden in pairs; a Cape Epic / Epic Series qualifier. Date and figures approximate.

La Massana, Andorra

Ard Rock Enduro

The UK's biggest MTB event — a modern timed-stage enduro with 7 timed technical descent stages linked by untimed liaison climbs across a ~45km Yorkshire Dales loop. Sells out in minutes. Next date approximate (late July, confirm on ardrock.co.uk).

Reeth, Swaledale, North Yorkshire

Arlberg Giro

One-day closed-road Alpine cyclosportif from St. Anton am Arlberg, Tyrol — ~150km / ~2,500m over high Alpine passes with fast descents. ~1,500 riders incl. pros. Next date ~2027-08-01 approximate.

St. Anton am Arlberg, Tyrol, Austria

ASVÖ King of the Lake

Europe's largest amateur time trial: one 47.2km closed-road lap of Lake Attersee against the clock. Flat-to-rolling threshold-and-aero TT, solo or team (4/10). Not a climbing event.

Schörfling am Attersee → around Lake Attersee → Schörfling, Austria

Athens Marathon "The Authentic"

42.195km road marathon on the original route from Marathon town to Athens, finishing in the marble Panathenaic Stadium. ~300m elevation dominated by a long sustained climb from ~10km to ~31km, then a descent into Athens. One of the tougher big-city marathons, not a PB course. 08:30 start. Date approximate (early November).

Athens, Greece

Atlas Mountain Race

~1,300-1,440km self-supported bikepacking ultra across Morocco's High Atlas and Anti-Atlas to Essaouira. ~24,000m climbing, rough colonial pistes, hike-a-bike, passes ~2,900m. Solo/pairs, 3 checkpoints, ~7-8 day limit. Route/start change yearly; 2027 edition moved to March.

Morocco (start changes yearly) -> Essaouira, Atlantic coast

Badlands

~800km self-supported ultra-distance gravel race from Granada through eastern Andalusia — deserts, Mediterranean coast, and the Sierra Nevada. ~16,000m climbing in extreme heat. Solo/pairs. Late-August date is approximate for 2027.

Granada, Andalusia, Spain (loop)

Banchory Explorr Gravel Stage Race

120km gravel stage race (76km timed across 4 stages) on Royal Deeside, edge of Cairngorms. GC + Mountain + Sprint classifications. Closed-road start/finish, gravel forest/moorland in between. Stage 3 (Queen) is 50km/1,000m.

Banchory, Royal Deeside, Aberdeenshire

Barry-Roubaix

The 'Killer Gravel Road Race' in Hastings, Michigan — one of the largest gravel races in the world, a fast rolling ~161km (100mi) power-and-positioning race on dirt roads and two-track (plus 62/36/22mi options), with only ~1,067m of climbing. Sells out yearly. Date approximate (est. mid-April 2027).

Hastings, Michigan, USA

Basajaun

~870km self-supported gravel bikepacking ultra through the green Basque mountains and Pyrenees foothills, ~15,000m+ of steep relentless climbing. ~2027 date and figures are approximate.

Vitoria-Gasteiz, Basque Country, Spain (mountain gravel)

Battle in the Dark

Saturday evening individual time trial at Pembrey, South Wales. Single lap ridden in darkness on beach and singletrack. ~250 riders. Part of the BOTB weekend.

Pembrey Country Park, South Wales

Battle On the Beach

Sunday mass-start 3-lap off-road race at Pembrey, South Wales. Hard sand beach + forest singletrack. ~800 riders. Any bike welcome (MTB, gravel, CX, fatbike).

Pembrey Country Park, South Wales

BC Bike Race

7-day singletrack-focused MTB stage race through British Columbia's world-famous loam trails (~250-320km, approximate). Solo; a technical-descending paradise. Date and figures approximate until the organiser confirms.

British Columbia, Canada

Belgian Waffle Ride Arizona

Desert 'Hell of the North of gravel' — ~104mi/~2,010m of Cave Creek desert gravel + rideable singletrack, the BWR Quad-Tripel Crown spring kickoff and one of the best courses in US gravel.

Cave Creek, Arizona

Belgian Waffle Ride California

The 'Hell of the North of gravel' — a ~120mi/~3,050m dirt + singletrack + road hybrid with hike-a-bike sectors, the flagship of the BWR Quad-Tripel Crown. Date approximate (~first Saturday of May).

San Marcos / Del Mar, California

Belgian Waffle Ride Montana

The newest BWR and final race of the Quad-Tripel Crown — ~87mi/~2,800m of climbing-heavy Montana mountain gravel + singletrack. Date approximate.

Bozeman / Missoula, Montana

Belgian Waffle Ride Utah

The mountain-bike-convert's BWR — ~84mi/~3,000m, a huge climbing density on chunky high-country gravel and singletrack at altitude, a BWR Quad-Tripel Crown round. Date approximate.

Cedar City, Utah

Berlin Marathon

The flattest Abbott Major and the world-record course, starting and finishing at the Brandenburg Gate. The largest marathon in the world (54,280 finishers in 2024) and the best PB opportunity in marathoning. Next date ~26 Sep 2027 (approximate, last Sunday of September — confirm against the official site).

Straße des 17. Juni → Brandenburg Gate, Berlin, Germany

Big Sugar Gravel

The final race of the Life Time Grand Prix — ~100mi/~2,900m of fast, chunky Ozark gravel with sharp tyre-shredding flint. Date approximate.

Bentonville, Arkansas

Big Sur International Marathon

The largest rural marathon in the world and one of the most scenic — point-to-point on closed Highway 1 from Big Sur to Carmel. Defined by Hurricane Point ('the hardest climb in American marathon running'), an exposed Pacific headwind, the Bixby Bridge descent, and a surprise mile-22 climb. 6hr cutoff, mandatory shuttle. Next 25 Apr 2027.

Big Sur → Carmel, California, USA

Bighorn Trail 100

A remote Rocky Mountain Slam 100-miler in Wyoming's Bighorn Mountains: ~18,000ft of climbing defined by wildflowers, deep mud, snowmelt and a river crossing, ~34h cutoff. Date approximate (mid-June).

Dayton, Wyoming (Bighorn Mountains)

BIKE Transalp

Classic 7-stage Alpine MTB stage race crossing the Alps north→south (Germany/Austria → Lake Garda area), ridden in pairs. STATUS UNCERTAIN — riders must confirm the event is running; date (est. early July 2027) and figures are approximate.

Northern Alps (~Füssen) → Lake Garda area, Italy

Birkebeinerrittet

~84km point-to-point MTB marathon, Rena → Lillehammer, Norway, tracing the historic Birkebeiner route. Big early climb onto the Sjusjøen plateau, then exposed high country. Riders must carry a ~2kg pack. ~17,000 across Birken week. Next edition ~28 Aug 2027 (approximate).

Rena → Lillehammer, Innlandet, Norway

Black Forest ULTRA Bike Marathon

A HERO UCI Marathon World Cup round from Kirchzarten: the ULTRA route is 118km / ~3,509m of mostly non-technical forest-road climbing, high point Schauinsland ~1,239m. Marathon/Speed/Short options too. Date approximate.

Kirchzarten, southern Black Forest, Germany (loop start/finish)

Bohemian Border Bash Race

Long self-supported gravel bikepacking loop around the Czech borderlands, forests and sandstone, ~1,410km. Early-September date and distances/elevation approximate.

Jetřichovice, Czech Republic (loop)

Boston Marathon

The world's oldest annual marathon and a qualifying-standard Abbott Major. Net-downhill point-to-point from Hopkinton to Boston, but deceptively hard: the fast descents trash the quads before the Newton Hills and Heartbreak Hill at mile 20. Rarely a PB course.

Hopkinton → Boston, Massachusetts, USA

Brecon Beast

109km (and 71km) Welsh mountain MTB marathon over Brecon Beacons moorland and rocky byways, with big climbing — a cult charity event. Next date ~2027-09-12 is approximate; confirm the event is running.

Brecon Beacons (Bannau Brycheiniog), Wales

Calder Divide Trail

Short but ferociously steep self-supported bikepacking loop around the Calder Valley gritstone, ~151/235km with extreme climbing-per-km. Mid-September date and distances/elevation approximate.

Hebden Bridge, West Yorkshire (loop)

Cape Town Cycle Tour

~109km closed-road timed race around the Cape Peninsula — the world's largest individually-timed cycle race (up to ~35,000 riders). ~1,200m climbing over Chapman's Peak and Suikerbossie (2.6km @ ~6%), but the Cape wind is the real opponent. UCI Gran Fondo World Series. Next edition 14 Mar 2027.

Cape Town, South Africa (city loop via Cape Point)

Capoliveri Legend Cup

Climb-dense MTB marathon on the island of Elba — short steep rock/dirt climbs linking stunning coastal technical singletrack. Distance/elevation and date are approximate estimates.

Capoliveri, Isle of Elba, Italy

CCC (Courmayeur-Champex-Chamonix)

The ~100km / ~6,100m little sister of UTMB — Courmayeur to Chamonix over Grand Col Ferret, a huge competitive UTMB-week field, one night out. Next-date approximate (UTMB week, late August).

Courmayeur, Italy → Chamonix, France

Chasing Cancellara Bern–Zermatt

'Switzerland's toughest one-day race' — a ~275km / ~5,500m point-to-point Alpine gran fondo from Bern to the foot of the Matterhorn at Zermatt. Deliberately small (~400 riders), premium, Cancellara-branded. Solo/relay/couples. Next date ~2027-09-11 approximate.

Bern → Zermatt, Switzerland

Chicago Marathon

Flat, fast, minimal-turn Abbott Major starting and finishing in Grant Park, through 29 neighbourhoods including the Magnificent Mile and Chinatown. Alongside Berlin, one of the two great PB courses. Always the second Sunday of October; next 10 Oct 2027. 6:30 course cutoff.

Grant Park → Columbus Drive, Chicago, Illinois, USA

Coast to Coast in a Day

A 150-mile point-to-point sportive from Seascale to Whitby, opening with the fearsome Hardknott and Wrynose passes (ramps to ~33%) and ~3,200m of total climbing. Capped at 500 riders.

Seascale → Whitby, northern England

Cocodona 250

Flagship 250-mile continuous multi-day trail ultra across Arizona from desert to mountains, ~40,000ft of climbing, sleep-deprivation + heat + altitude over 3-5 days, ~125h limit. Date approximate (early May).

Black Canyon City → Flagstaff, Arizona

Colnago GF Mont Ventoux

One-day cyclosportif with a Mont Ventoux summit finish, from Vaison-la-Romaine, Provence. 135/106/80km, ~3,100m on the Granfondo — the whole day is built around the 'Giant of Provence' (~1,910m). Provençal vineyards and the Gorges de la Nesque before the climb. Next edition 6 June 2027 (confirmed).

Vaison-la-Romaine → Mont Ventoux, Vaucluse, France

Colorado Trail Race

A ~850km self-supported high-altitude MOUNTAIN bikepacking race on the Colorado Trail, Durango to Denver — brutal technical singletrack and hike-a-bike above treeline. Expert-only. Date and elevation are approximate.

Durango → Denver, Colorado, USA

Comrades Marathon

The world's biggest and oldest ultramarathon — ~89km between Pietermaritzburg and Durban, KwaZulu-Natal, alternating Up and Down runs yearly. 2027 is the 100th edition, an 89km Down Run (PMB → Durban), Sun 13 June. Strict ~12hr gun-to-gun cutoff, the 'Big Five' hills, and quad-punishing descents. An ultra, not a marathon.

Pietermaritzburg → Durban, KwaZulu-Natal, South Africa

Copenhagen Marathon

42.195km exceptionally flat, fast circular road marathon through the Danish capital, past Amalienborg Palace, the Little Mermaid and the Nyhavn canals. ~40m elevation, a prime PB and Boston-qualifier course. 09:30 start, ~6hr cutoff, cool May temps. Sustainability-pioneer event.

Copenhagen, Denmark

Costa Blanca Bike Race

Early-season 4-stage MTB stage race around Calpe, Alicante — ~166km / ~4,873m over four short, climbing-dense, technical Mediterranean days. Cumulative GC. Date approximate.

Calpe, Alicante, Spain

Cotswolds 100/200/300

Accessible rolling self-supported gravel bikepacking through the Cotswolds limestone country, ~100/200/300km. Ideal first ultra. Mid-September date and distances/elevation approximate.

Cotswolds, England (loop)

Cross Duath'Lyon

Off-road duathlon at Parc de Miribel-Jonage, Lyon. Format S: 4km run + 11km MTB + 2km run. 09:30 start, ~1-1.5 hours total. Mixed forest/gravel run, MTB trails, brick legs on Run 2. 4th edition.

Parc de Miribel-Jonage, Vaulx-en-Velin (Lyon), France

Cyclone Challenge

The Challenge Rides of Newcastle's Cyclone Festival — four routes from ~34mi to ~102mi (~2,000m) into Northumberland National Park and the Cheviot fringes. Rolling endurance, not a climbing test. Next date ~2027-07-04 approximate.

Newcastle Falcons, Kingston Park, Newcastle upon Tyne

Cykelvasan

~92km point-to-point MTB marathon, Sälen → Mora, Sweden, along the historic Vasaloppet ski trail. Modest ~860m climbing, net-descending, largely non-technical forest gravel — a fast-rolling endurance event. ~13,000+ riders, the Nordics' biggest MTB race. Next edition ~7 Aug 2027 (approximate).

Sälen → Mora, Dalarna, Sweden

Dales Divide

~600km self-supported bikepacking race through Yorkshire Dales & North York Moors. Coast-to-coast-and-back from Arnside to Scarborough. Gravel, singletrack, bridleways. Solo/pairs. Night riding required. FKT: 33h47m.

Arnside, Cumbria → Scarborough, North Yorkshire

Dartmoor Classic

110mi / ~2,750m moorland sportive from Newton Abbot, Devon across Dartmoor. Relentlessly lumpy — 25% ramps on Holne Chase, the long Haytor drag, exposed high moor. Medio/Piccolo options. ~3,000 riders, sells out. Next edition ~late June 2027 (approximate).

Newton Abbot, Devon (Dartmoor loop)

Dirty Reiver

A gravel ultra on the hard-packed forest roads of Kielder, Northumberland: 200km with ~4,300m of relentless rolling climbing (plus 130km and 65km options). Remote, exposed, self-sufficient. Date approximate.

Kielder Castle, Kielder Forest, Northumberland, England (loop start/finish)

DOOM

Self-supported ultra-gravel/bikepacking in the rugged, remote Ouachita Mountains. Flagship Ouachita Doom is a 329 mi / 530 km, ~9,750 m multi-day push with 100+ mi of technical singletrack; shorter High Watch (205 mi) and LOViT (116 mi) routes plus a hotly-contested single-speed category. Next date (~2027-03-12) is APPROXIMATE — confirm with the organiser.

Hot Springs, Arkansas — start/finish The Club House (Ouachita Mountains loop)

Dragon Ride L'Etape Wales — Gran Fondo

~215km South Wales road sportive with ~3,400m climbing over the long steady climbs of the Brecon Beacons — Black Mountain, the timed Devil's Elbow (1.8km @ 10.3%), Rhigos and the Bwlch. Route reversed for 2026. Starts near Margam/Port Talbot. The UK's benchmark long sportive.

Margam / Port Talbot, South Wales, UK

Dragon's Back Race

~380km / ~17,400m over 6 days down the mountainous spine of Wales, largely unmarked and self-navigated. One of the world's toughest mountain stage races. Next-date approximate (early September).

Conwy Castle → Cardiff Castle, Wales

Dunwich Dynamo

Cult self-supported overnight mass ride — ~112mi / ~180km flat-to-rolling from London Fields to Dunwich Beach on the Suffolk coast, ridden through the night near the full moon. Not a race, no timing. Pacing, night riding and fuelling, not climbing. Next date ~2027-07-24 approximate.

London Fields (Hackney) → Dunwich Beach, Suffolk

Dyfi Enduro

Classic ~50km Welsh MTB enduro/marathon at Machynlleth (~2,000m climbing), grinding long fire-road climbs to earn technical natural descents on the Mach 1/2/3 trails. Skill and repeatable climbing decide it, not FTP. Sells out fast. Next date ~2027-05-02 is approximate.

Machynlleth, Dyfi Forest, mid Wales

Ealing Half Marathon

21.1km fully road-closed half marathon through Ealing, West London. 09:00 start, ~190m climbing — a rolling, undulating loop (not flat). Start/finish Walpole Park. Voted UK's #1 half; ~4,400 finishers.

Ealing, West London, UK

Eiger Bike Challenge

Classic Alpine MTB marathon from Grindelwald under the Eiger north face — full route ~88km / ~3,600m of long sustained climbs and technical high-mountain descents, plus shorter options. Climbing endurance + descent skill + altitude. Next date ~2027-08-08 approximate.

Grindelwald, Bernese Oberland, Switzerland

Etape Caledonia

The UK's original closed-road sportive: a ~85-mile (137km) Highland loop around Loch Tummel and Loch Rannoch from Pitlochry, under the flank of Schiehallion. 40mi and 55mi options also offered.

Pitlochry, Highland Perthshire, Scotland (loop start/finish)

Etape du Dales

~112mi / ~3,600m Yorkshire Dales sportive from Grassington/Threshfield. Big-mileage day stacked with iconic Dales climbs (Fleet Moss etc.) and long exposed high-moor crossings. Mini Etape option. Next edition ~mid-May 2027 (approximate).

Grassington / Threshfield, Yorkshire Dales

Etape Eryri

Marquee closed-road Snowdonia sportive from Caernarfon Castle — three routes (~43/70/120mi), the Mawr taking in Pen-y-Pass / Llanberis Pass and ~2,700-3,000m of Eryri climbing. Next date ~2027-06-12 approximate.

Caernarfon, Eryri (Snowdonia), North Wales

Etape Loch Ness

106km closed-road sportive around Loch Ness. Timed, ~1,370m climbing, key climb to Glendoe Summit. Single hard day effort, not ultra-endurance.

Inverness, Scottish Highlands

Fietselfstedentocht (Eleven Cities Cycling Tour)

~235km flat, wind-exposed recreational tour of Friesland's eleven historic cities from Bolsward. Effectively no climbing — the difficulty is wind, distance, groups and fuelling. Ridden on Whit Monday; finish before midnight earns a medal. Next date ~2027-05-17 is approximate (moveable Whitsun).

Bolsward, Friesland, Netherlands (loop of the eleven cities)

FNB Wines2Whales

Hugely popular 3-day MTB stage race through the Cape winelands and fynbos to the whale coast (~200-230km, approximate). Flowy singletrack and punchy climbs; ridden in pairs; an Epic Series qualifier. Date and figures approximate.

Elgin → Onrus, Western Cape, South Africa

FNLD GRVL

Finland's flagship gravel race and part of the GRVL Events family (with SBT and RADL) — fast, smooth forest and lakeside gravel around Lahti with prize money, ridden at road-race intensity. Date and figures approximate.

Lahti, Finland

Fred Whitton Challenge

~112mi / ~3,900m Lake District sportive, widely called the hardest one-day sportive in the UK. Savage passes - Honister, Wrynose and the ~30% Hardknott at mile 90+, where most riders walk. Gradient and gearing, not altitude, are the story. Next edition ~mid-May 2027 (date approximate).

Grasmere / Ambleside, Lake District, Cumbria, England

Further

~400-500km self-supported off-road mountain ultra 'Race & Rally' in the Ariège Pyrenees, created by Camille McMillan. Deliberately mixes road climbing, off-road riding, and heavy bike-carrying over high cols. Fri->Mon window. Climbing (~11,000m) and late-August 2027 date are approximate — vary by edition.

Ariège Pyrenees, France (loop)

Further Unceded

Self-supported off-road mountain bikepacking Race & Rally in the remote BC Coast Mountains near Pemberton — Camille McMillan's Further, Canadian edition. Defined by huge vertical and deliberate hike-a-bike in true wilderness. Distance (~560km), climbing, and September date are approximate.

Pemberton, BC, Canada (Coast Mountains)

GBDURO

~2,000km self-supported off-road ultra the length of Great Britain, Land's End -> John o' Groats. ~30,000m climbing over singletrack, byways, moorland, bog, and hike-a-bike. Historically a checkpoint 'enduro' format. Mid-August date is approximate for the next edition.

Land's End -> John o' Groats, Great Britain

Gent-Wevelgem Cyclo (In Flanders Fields Cyclo)

A Flemish classic in miniature on the pro Gent-Wevelgem course from Wevelgem — cobbled bergs (Kemmelberg to ~20%), unpaved plugstreets and wind-exposed plains. Distances from 70km to 225km.

Wevelgem, West Flanders, Belgium (loop start/finish)

GFNY Cannes

Hilly ~110km GFNY gran fondo on the French Riviera with ~2,000m of climbing over the Estérel massif (Col de Tanneron, Col d'Avaye). Date approximate.

Cannes, French Riviera (Alpes-Maritimes), France

GFNY La Vaujany – Alpe d'Huez

Alpine climbing epic — ~151km / ~4,172m over the Croix de Fer (2,067m) and Alpe d'Huez, with a savage 14% uphill finish to Vaujany. One of GFNY's hardest. Date approximate.

Vaujany, Oisans (French Alps, Isère), France

GFNY Lourdes Tourmalet

Genuine high-mountain Pyrenean GFNY gran fondo — ~157km / ~4,064m over the Col d'Aspin and the mighty Col du Tourmalet (2,115m). Climbing W/kg decides it. Date approximate.

Lourdes, Hautes-Pyrénées, France

GFNY Portugal

Long ~162km / ~2,281m GFNY Europe Championship gran fondo from Cascais over the Serra da Sintra, with the Atlantic wind as a wildcard. Date approximate.

Cascais (near Lisbon), Portugal

GFNY World Championship New York

The flagship Gran Fondo New York: a hilly, timed ~160km road gran fondo from the car-free George Washington Bridge up to Bear Mountain and through hilly New Jersey. ~2,600m of climbing where W/kg matters. Next edition Sunday 16 May 2027.

George Washington Bridge (NYC) → Bear Mountain → Fort Lee, NJ

Gran Fondo Il Lombardia

The 'Falling Leaves' monument as a gran fondo: a ~110km climbing-dense autumn day from Bergamo, built around the Valico di Valcava (~11.6km @ ~8%). Date approximate. Current Bergamo route replaces the historic Como/Ghisallo course.

Bergamo, Lombardy, Italy (loop start/finish)

Gran Fondo Strade Bianche

~138km Tuscan gran fondo from Siena over ~9 sectors of white gravel (strade bianche), finishing in the Piazza del Campo. ~2,000m rolling — difficulty is the surface, not the climbs. Ridden the day before the pros. ~7,000 riders. Next edition ~7 Mar 2027 (approximate).

Siena, Tuscany, Italy

Grand Raid BCVS

~125km Alpine MTB marathon, Verbier → Grimentz, Valais, crossing three valleys. ~5,000m climbing — one of the biggest single-day loads in XCM, closer to an ultra. High passes, technical descents, hike-a-bike. Shorter starts + intermediate cutoffs. ~2,500 riders. Next edition ~21 Aug 2027 (approximate).

Verbier → Grimentz, Valais, Switzerland

Grand Raid Réunion (Diagonale des Fous)

The Madmen's Diagonal — a ~165km / ~10,000m D+ crossing of Réunion Island's volcanic mountains through tropical heat, humidity, and the cirques. Next-date approximate (late October).

Saint-Pierre → Saint-Denis, Réunion Island

Granfondo Nove Colli

~200km Italian gran fondo from Cesenatico over the nine hills of Romagna. ~3,800m of punchy repeated climbing incl. the Barbotto wall (18%). Capped ~12,000 — one of Italy's biggest and oldest. Next edition ~23 May 2027 (approximate).

Cesenatico, Emilia-Romagna, Italy (coast → Romagna hills → coast)

Granfondo San Gottardo

One-day Alpine gran fondo from Ambrì, Ticino — long route ~110-113km / ~2,900m over three iconic Gotthard-region passes (Gotthard, Furka, Nufenen). ~53km short option. Climbing W/kg decides it. Next date approximate.

Ambrì, Leventina, Ticino, Switzerland

Gravel and Tar Classic

A New Zealand gravel classic mixing fast sealed (tar) roads with selective gravel sectors in spring-classic style over ~159km/~2,000m — UCI-adjacent and raced like a road race. Date and figures approximate.

Manawatū-Whanganui, New Zealand

Gravel Locos

A big, community-driven Texas Hill Country gravel race out of Hico, TX. The ~150 mile flagship (~240 km) is a hot, rough, self-supported day; ~100 and ~65 mile options also run. 2027 date, distances and climbing are approximate (historically May).

Hico, Texas, USA

Great British Divide

~1,274km self-supported off-road bikepacking traverse of Britain, Land's End to John o' Groats by gravel, bridleway and byway. ~2027 date and climbing figure are approximate.

Land's End, Cornwall → John o' Groats, Scotland

Grinduro France

A gravel/enduro hybrid and festival in the Vosges — a ~100km/~2,000m loop where only a handful of timed enduro-style segments decide the result. Date, venue and figures approximate.

Xonrupt-Longemer, Vosges, France

Grinduro Germany

A gravel/enduro hybrid and party in the Eifel — a ~100km/~2,000m loop where only a handful of timed enduro-style segments decide the result. Date, venue and figures approximate.

Hellenthal, Eifel, Germany

Grinduro Scotland

The original Grinduro: a gravel/enduro hybrid + party. A ~75km gravel loop where only ~3–5 timed segments decide the result and the rest is ridden at your own pace. Isle of Arran / Scottish venue. Date and figures approximate (est. summer 2027).

Isle of Arran / Scottish venue (varies)

Hardrock 100

Widely regarded as the toughest 100-miler in the US: 100.5 miles and ~33,000ft of climbing entirely above 10,000ft in Colorado's San Juan Mountains, topping 14,048ft Handies Peak, 48h cutoff, finishers kiss the Hardrock. Date approximate (early-mid July).

Silverton, Colorado (San Juan Mountains loop)

Haute Route Alps

Premium 7-day timed amateur road stage race across the French Alps, Nice to Thonon-les-Bains — ~808km / ~19,255m over 7 timed stages on iconic cols (Galibier, Izoard, Alpe d'Huez). The 'amateur Tour de France'.

Nice → Thonon-les-Bains, French Alps

Haute Route Pyrenees

Timed amateur road stage race on steep, raw Pyrenean cols (Tourmalet, Aubisque) — a 3-day format concentrating the range's iconic climbs into three hard timed stages, cumulative GC. Date approximate.

French/Spanish Pyrenees

Haute Route Ventoux

The most accessible Haute Route — a 3-day timed amateur road stage race centred on repeated ascents of Mont Ventoux, ~220km / ~6,600m over three timed stages in Provence. Date approximate.

Mont Ventoux region, Provence, France

HERO Südtirol Dolomites

Billed as one of the hardest MTB marathons in the world: 86km / ~4,500m (~52m per km) from Selva di Val Gardena over the Dolomite passes to the Sourasass at ~2,351m, with steep hike-a-bike and technical descents. 71km and 60km options too.

Selva di Val Gardena, Dolomites, South Tyrol, Italy (loop start/finish)

Highland Trail 550

550-mile self-supported bikepacking race through the Scottish Highlands. Anti-clockwise loop from Tyndrum. ~16,000m climbing. Singletrack, gravel, hike-a-bike, bogs, river crossings. Solo only. 8-day cutoff. Part of UK Triple Crown.

Tyndrum, Scottish Highlands

HONC — Hell of the North Cotswolds

Mixed-surface off-road endurance ride from Sudeley Castle, Winchcombe (North Cotswolds). 50/75/100/140km on tarmac, farm tracks, byways and bridleways — significant off-road. ~1,250+ riders, 40+ year original. Next edition ~5 Sep 2027 (approximate).

Winchcombe, Gloucestershire (North Cotswolds)

Hope 1000

~1,000km non-stop self-supported bikepacking race across Switzerland, Romanshorn (Lake Constance) -> Montreux (Lake Geneva). ~30,000m climbing (one of the most climbing-dense routes anywhere) — no mechanical ascent aids allowed. Mid-June date is approximate for 2027.

Romanshorn -> Montreux, Switzerland

Iowa Wind and Rock

A ~547km (340mi) self-supported gravel ultra out of Winterset, Iowa — the spiritual successor to Trans Iowa, with no support and no cue sheets, ridden through a full day and night in a ~34-hour limit. An expert-level durability, navigation and sleep-deprivation test with a low finish rate. Date and elevation approximate (est. mid-April 2027).

Winterset, Iowa, USA

Irish Life Dublin Marathon

42.195km road marathon through the Irish capital, Leeson Street start to Mount Street Upper finish, past Trinity College, Dublin Castle and Phoenix Park. ~160m, relatively flat with real second-half inclines. Cool, often wet-and-windy late-October weather. 7hr cutoff. Date approximate (October bank-holiday weekend).

Dublin, Ireland

IRONMAN 70.3 Aix-en-Provence

Half-distance triathlon in Provence, France. 1.9km lake swim, 90km hilly bike (1,100m+ climbing around Sainte-Victoire), 21.1km 3-loop run through Aix. May heat + Mistral wind. 8h15 cutoff.

Aix-en-Provence, Provence, France

Italy Divide

~1,250km self-supported point-to-point bikepacking race the length of Italy, Pompei/Naples -> Verona (Classic route). ~23,000m climbing over fast gravel, Tuscan strade bianche, and real Apennine mountains. Late-Apr/1-May date is approximate for 2027.

Pompei, Italy -> Verona, Italy

JAL Honolulu Marathon

A huge, no-cutoff, no-qualification marathon in paradise — downtown Honolulu, Waikiki, around Diamond Head and out to Hawaii Kai. Mostly flat, but the 5am start and hot, humid tropical conditions (climbing past 28°C) make heat the whole story, not a PB. Next date ~12 Dec 2027 (approximate).

Honolulu, Hawaii, USA

Kielder 101

101km off-road MTB marathon through Kielder and Newcastleton forests (England into Scotland and back), plus a 60km Border Challenge — a remote, fire-road-heavy endurance day. Next date ~2027-10-10 is approximate; confirm on the official site.

Kielder Castle, Kielder Forest, Northumberland

King Price Race to the Sun

South African multi-day gravel stage-race epic with huge cumulative climbing on remote farm/district gravel and mountain passes, at heat and altitude. ~400 km / ~20,000 m total and the May 2027 date are approximate — confirm all figures with organiser.

South Africa (interior; approximate)

Kronplatz King

Climb-dominant Dolomite MTB marathon with a summit finish at the ~2,275m top of Kronplatz — the race ends UP, not down. Distance/elevation and date are approximate estimates.

Plan de Corones / Kronplatz, South Tyrol, Italy

L'Ardechoise Cyclosportif

230km French cyclosportif with 4,585m climbing across 10 named ascensions. Saint-Felicien, central Massif Central / Cevennes. Established 1990, ~13,800 average riders. Mid-mountain rolling-with-attitude — relentless climbing, no long flats.

Saint-Felicien, Ardeche, France

L'Eroica

Vintage 'ciclostorica' heritage ride from Gaiole in Chianti, Tuscany — the origin of the whole eroica gravel movement. 46-209km with ~112km of white gravel on the long route (~3,768m). Non-competitive, ridden on pre-1987 steel bikes. ~8,000 riders. Next edition ~2 Oct 2027 (approximate).

Gaiole in Chianti, Tuscany, Italy

L'Étape Czech Republic by Tour de France (Flat)

Fast, flat ~111km / ~250m TdF-branded sportive from Pardubice across East-Bohemian farmland — a power, aero and echelon-tactics ride where wind decides the day. Date approximate.

Pardubice, Czech Republic

L'Étape Czech Republic by Tour de France (Hilly)

Rolling, climb-stacked TdF-branded sportive south of Prague (65/100/130km) with punchy climbs from the Točná ascent onward. Climbing total estimated; date approximate.

Prague, Czech Republic

L'Étape Denmark / Hærvejsløbet

Flat-to-rolling, wind-exposed TdF-branded 'Viking Gran Fondo' along the Hærvejen to Viborg (~50-160km plus a 300km Queen Stage), 7,000+ riders. Power, aero and wind decide it. Date approximate.

Viborg/Silkeborg region, Jutland, Denmark

L'Étape du Tour de France

Mass-participation cyclosportif on a real Tour de France mountain stage, fully closed roads. Route changes yearly. 2026: ~170km / 5,400m, Bourg-d'Oisans -> Alpe d'Huez via Croix de Fer, Telegraphe, Galibier. ~16,000 riders. Always confirm the year's route.

Le Bourg-d'Oisans -> Alpe d'Huez, French Alps (2026)

L'Étape Poland by Tour de France

Tatra-mountain TdF-branded cyclosportif from Zakopane (62/84/107km) with sustained climbs and a mountain finish — climbing W/kg matters. Climbing total estimated; date approximate.

Zakopane, Tatra Mountains, Poland

L'Étape Slovakia by Tour de France

Rolling ~112km / ~1,700m TdF-branded sportive from Bratislava through the Malé Karpaty forests, finishing uphill on Kamzík. Date approximate.

Bratislava, Slovakia

La Marmotte Granfondo Alpes

177km Alpine cyclosportif. 5,000m climbing across 5 mythical cols: Glandon, Telegraphe, Galibier (2,642m), Lautaret, finish on Alpe d'Huez. Bourg d'Oisans -> Alpe d'Huez. One of the most iconic mass-participation climbs in cycling.

Bourg d'Oisans -> Alpe d'Huez, French Alps

La Purito Andorra

One of Europe's hardest climbing gran fondos, created by Joaquim 'Purito' Rodríguez — ~115km / ~4,800m (~42m/km) with no flat, six passes, finishing at Els Cortals d'Encamp (2,083m). ~80km and ~30km options. Pure W/kg. Next date ~2027-08-01 approximate.

Sant Julià de Lòria → Els Cortals d'Encamp, Andorra

La Rioja Bike Race

UCI 3-stage MTB stage race around Logroño through the Rioja vineyards and Moncalvillo sierra — ~150km / ~4,000m, with a demanding UCI-rated queen stage. Cumulative GC. Date approximate.

Logroño, La Rioja, Spain

La Ronde Picarde

Northern France's biggest cyclosportif: a 158km rolling Picardy classic (~1,450m) from Eaucourt-sur-Somme, where the exposed coastal wind is the real adversary. An endurance-and-echelon event.

Eaucourt-sur-Somme, Somme, France (start/finish)

La Stelvio Santini

Iconic one-day Alpine cyclosportif from Bormio over the brutally steep Mortirolo and finishing atop the Passo dello Stelvio (2,758m). Long route ~157km / ~4,500m climbing — a genuine big-mountain day.

Bormio, Alta Valtellina, Lombardy, Italy

Lakeland 100

The UK's premier 100-mile trail/fell ultra: a ~105-mile circular loop of the Lake District fells from Coniston with ~6,300m of climbing. Self-navigated between 14 checkpoints, 40-hour cutoff, one or two nights on the fells. A running event — vert, fell skill and navigation matter, not FTP.

Coniston, Lake District, England (circular)

Leadville Trail 100 MTB

~104mi / 3,600m high-altitude MTB race in Colorado (the 'Race Across the Sky'). Start/finish Leadville at 3,100m, out-and-back to Columbine Mine at 3,800m. Sub-9hr = big buckle, 12hr cutoff. Altitude, not FTP, is the limiter. Date approximate to mid-August.

Leadville, Colorado, USA

Leadville Trail 100 Run

The 'Race Across the Sky': a comparatively runnable 100-miler whose difficulty is pure altitude, never dropping below ~9,200ft and crossing Hope Pass (~12,600ft) twice. 30h cutoff, sub-25h 'big buckle'. Date approximate (3rd Sat of August).

Leadville, Colorado (out-and-back over Hope Pass)

Liège-Bastogne-Liège Challenge

Ardennes climbing cyclosportif on the oldest Monument's course, day before the pros. 80/163/250km; the full 'La Doyenne' packs ~4,400m over ~10-11 short steep côtes (La Redoute etc.). Durability + repeated-threshold day. ~7,000-8,000 riders. Next edition 24 Apr 2027 (confirmed).

Liège / Ardennes, Wallonia, Belgium

Log Driver's Waltz

Remote self-supported gravel bikepacking through Ontario/Quebec Canadian Shield wilderness, ~385/805/1,610km route options. Late-August date and distances/elevation approximate.

Almonte, Ontario, Canada (loop)

London Marathon

Flat, fast, PB-friendly Abbott Major from Greenwich to The Mall, past the Cutty Sark, Tower Bridge and Canary Wharf. The 2027 edition is a one-off two-day 'TCS London Marathon Double' (Sat 24 + Sun 25 April 2027) with ~100,000 participants; next_date is the Saturday. Rated the #1 marathon brand of 2025.

Greenwich/Blackheath → The Mall, London, UK

London to Brighton Bike Ride

Europe's oldest and most iconic charity bike ride — 54mi/~87km of mostly closed roads from Clapham Common to Brighton seafront, with the famous Ditchling Beacon the one real climb. An accessible first-big-ride goal for a huge, broad-ability field. Next edition (Sun 20 Jun 2027) is the 50th anniversary.

Clapham Common, London → Brighton seafront

Lyon-Genève Ultra Night Ride

302.5km semi-supported single-push road ultra from Lyon to Divonne-les-Bains, largely on the ViaRhôna. Flat-fast (~3,381m climbing), 23:00 night start. Solo/duo/team, 5 staffed bases, GPS-timed. ~9-16hr finish.

Lyon → Divonne-les-Bains, France

MacAvalanche

Megavalanche-style mass-start off-the-mountain descent race in the Scottish Highlands — snow/scree at the top, technical natural trail to the valley. Result is the race down, not FTP. Elevation and date are approximate estimates.

Scottish Highlands, Scotland

Mainova Frankfurt Marathon

Flat, fast German city marathon (only ~28m height difference) with an iconic finish inside the Festhalle on a red carpet. The 3rd-fastest city race worldwide and the fastest of the big German marathons. Next date ~24 Oct 2027 (approximate, last Sunday of October — confirm on the official site).

Frankfurt am Main, Germany

Mallorca 312

One-day cyclosportif from Playa de Muro, Mallorca. 167/225/312km; the 312 packs ~5,050m with almost all climbing front-loaded in the Serra de Tramuntana, then a long flat second loop demanding durability + group discipline. Capped ~8,000, sells out instantly, ~14h20 cutoff. Next edition 24 Apr 2027 (confirmed).

Playa de Muro, Mallorca, Spain

Mammoth Tuff

A high-altitude Eastern Sierra gravel race at Mammoth Lakes, California — ~161km (100mi) with ~2,286m of sustained climbing on loose volcanic pumice, the whole course at ~2,400m (8,000ft)+, plus a ~97km (60mi) option. Altitude is the defining challenge. Date/edition approximate (est. summer 2027).

Mammoth Lakes, California, USA

Manchester 100 Bike Ride

A flat, friendly charity century from Wythenshawe Park through the Cheshire countryside — 100 miles (~970m) or 100km (~535m). A classic first-100-miles endurance goal, not a climbing test. Next date approximate — verify.

Wythenshawe Park, Manchester

Marathon des Sables

Multi-stage self-supported desert ultra: ~250km over 6 stages / ~7 days across the Moroccan Sahara, carrying all your own food and kit (pack 6.5-15kg). Extreme heat, soft sand, an ~80km Long Stage through the night. A running/fast-walking event — heat tolerance, feet and pack strategy matter, not FTP. Next-edition date (April 2027) is approximate until confirmed.

Sahara Desert, Ouarzazate region, southern Morocco (route changes yearly)

Maraton Franja BTC City

~156km hilly road gran fondo from Ljubljana (UCI GF World Series), Slovenia's largest cycling event, with two decisive climbs (Vrhnika and the ~7km/6.3% Kladje). A genuine climbing gran fondo where W/kg matters, plus a ~97km 'Little Franja'. Next date ~2027-06-12 is approximate.

Ljubljana (BTC City), Slovenia

Maratona dles Dolomites - Enel

138km Dolomite cyclosportif with 4,230m climbing across 7 passes (Sella Ronda loop + Giau, Falzarego, Valparola). La Villa -> Corvara, Alta Badia. ~30m climbing per km - the densest of the big alpine gran fondos. ~8,000 riders, lottery entry.

La Villa -> Corvara, Alta Badia, Italian Dolomites

Marine Corps Marathon

'The People's Marathon' — organised by the US Marine Corps around Washington DC's monuments (Pentagon, Lincoln Memorial, Capitol), with no prize money. A rolling course with early Georgetown hills and an uphill finish to the Iwo Jima Memorial. Next date ~31 Oct 2027 (approximate).

Arlington / Washington DC, USA

Marmotte Granfondo Pyrénées

~177km Pyrenean cyclosportif with ~5,700m climbing — more vertical than the Alpine Marmotte. Double ascent of the Col du Tourmalet (2,115m) plus Hourquette d'Ancizan and Col d'Aspin, summit finish on Hautacam. Argelès-Gazost start. Advertised date 23 Aug 2026 but the 2026 edition status has been flagged uncertain — confirm before committing.

Argelès-Gazost -> Hautacam, French Pyrenees

Mecklenburger Seen Runde

Flat-fast ~300km endurance sportive (plus a 100km option) through Germany's Mecklenburg Lake District from Neubrandenburg, ~1,590m over 300km. A group-riding, pacing and fuelling event — not a climbing test. Confirmed 2027-05-28/29.

Neubrandenburg, Mecklenburg-Vorpommern, Germany

Megavalanche

Iconic mass-start marathon-descent MTB race at Alpe d'Huez — 2,000+ riders launch off the Pic Blanc glacier (~3,330m) for a ~2,600m descent to Allemond, seeded by qualification heats. Decided by descent skill and surviving the start, not FTP. Next date ~2027-07-11 approximate.

Alpe d'Huez → Allemond, Isère, French Alps

Migration Gravel Race

A 4-day gravel stage race across the remote Maasai Mara, Kenya — ~650 km of wild, high, hot savannah gravel with self-service race camps. Amani-project linked. Multi-day durability and camp recovery decide it.

Maasai Mara, Kenya

Momentum Cape Pioneer Trek

5-day MTB stage race across South Africa's Klein Karoo semi-desert and Outeniqua mountains (~500km, approximate). Heat, sand and remote exposure; ridden solo or in pairs. Date and figures approximate until the organiser confirms.

Oudtshoorn, Klein Karoo, Western Cape, South Africa

Mongolia Bike Challenge

Remote multi-day MTB stage race across the Mongolian steppe (~400-600km, approximate). Long open distance, wind and exposure; ridden solo with real self-sufficiency and navigation demands. Date and figures approximate.

Mongolia (steppe, from the Ulaanbaatar region)

Montane Spine Race

268 miles (~431km) non-stop down the full winter Pennine Way, Edale to Kirk Yetholm — self-navigated, self-sufficient, ~7-day limit. Britain's most brutal race. Next-date approximate (mid-January).

Edale → Kirk Yetholm (Pennine Way), Great Britain

Mountain Mayhem

The original UK 24hr MTB race (since 1998), Marston Lodge, Northamptonshire. 8.2km XC lap with 191m climbing. Held on the weekend nearest midsummer, so the shortest possible night (~5-6hrs darkness). Solo/pairs/teams. Mud-prone. Noon Sat to noon Sun.

Ledbury, Herefordshire

Mountain of Hell

Possibly the world's largest mass-start MTB race: ~1,000+ riders launch off the Les 2 Alpes glacier at ~3,400m for a ~2,400m descent over ~25km to the valley. Snow and ice up top, bike-park and singletrack below. Decided in minutes — descent skill, not FTP. Next date ~2027-06-19 approximate.

Les 2 Alpes, Isère, French Alps

Nike Melbourne Marathon

Australia's premier marathon — around Albert Park Lake and the St Kilda foreshore, finishing inside the MCG. Recently reimagined into a faster, flatter, PB-friendly course. Next date ~10 Oct 2027 (approximate — confirm on the official site).

Melbourne, Australia

NN Marathon Rotterdam

One of Europe's flattest and fastest marathons — a PB and national-record destination since 1981. Past the Erasmus Bridge, Nieuwe Maas quays and Cube Houses, finishing on the Coolsingel by city hall. Next 11 Apr 2027, 10:00 start.

Rotterdam, Netherlands

North Wales 400

Rugged self-supported mountain bikepacking loop of Snowdonia and the Berwyn, ~320/410km. UK Triple Crown event. Late-August date and distances/elevation approximate.

Llandegla, North Wales (loop)

NorthCape4000

~4,000km self-supported ultra-distance road race from Italy to the North Cape (Nordkapp), the top of Europe. Route redrawn each edition; ~2027 date and climbing figure are approximate.

Rovereto, Italy → North Cape / Nordkapp, Norway

OCC (Orsières-Champex-Chamonix)

The shortest, fastest UTMB-week race — ~56km / ~3,500m from Orsières (Switzerland) to Chamonix, the accessible entry to the UTMB series. Next-date approximate (UTMB week, late August).

Orsières, Switzerland → Chamonix, France

Ötztaler Radmarathon

227km / 5,500m single-loop Alpine mega-sportive from Sölden, Austria - one of the hardest one-day road rides amateurs do. Four passes: Kühtai, Brenner, Jaufenpass, Timmelsjoch (2,474m). Hard cutoff on the Timmelsjoch. ~4,000 riders, lottery entry.

Sölden, Ötztal, Tyrol, Austria

Pan Celtic Race

A self-supported ROAD ultra through the Celtic nations (Wales, Ireland, Scotland, Cornwall, Brittany) in ~1,000/1,650/2,200km editions — relentlessly hilly, remote, and weather-exposed. Route changes yearly; date is approximate.

Llandudno, Wales (route varies)

Paris-Roubaix Challenge

Flat-but-brutal cobbled cyclosportif finishing in the Roubaix Velodrome, the day before the pros. 70/145/172km with up to ~30 pavé sectors. The difficulty is the cobbles — repeated high-vibration efforts, not W/kg. ~7,000-9,000 riders. Next edition 10 Apr 2027 (confirmed).

Northern France → Roubaix Velodrome

Peaks Enduro

Peak District timed-stage MTB enduro on rough gritstone — result is combined timed descent-stage times, liaisons untimed; decided by descent skill and repeatability, not FTP. Distance/elevation/stages and date are approximate estimates.

Peak District, England

Pennine 500

Gritty self-supported off-road bikepacking loop through the Pennines, Yorkshire Dales and moors, ~500km. Late-May date and distances/elevation approximate.

Yorkshire, England (loop)

Prosecco Cycling Gran Fondo

Capped-2,500 hilly gran fondo through the UNESCO Prosecco hills of Valdobbiadene (~100-117km), defined by short savage vineyard walls like the Muro di Ca' del Poggio (~12.7%, ramps to 19%). Sells out.

Valdobbiadene, Veneto, Italy (start/finish)

Quebrantahuesos Gran Fondo

~200km Pyrenean cyclosportif from Sabiñánigo, Aragón into France and back. ~3,500m climbing over the Somport, the savage Marie-Blanque and the Portalet. ~8,500 riders, lottery entry — Spain's biggest gran fondo. Next edition ~mid-June 2027 (approximate).

Sabiñánigo, Aragón, Spain → French Pyrenees → Sabiñánigo

Race Across Czechia

Self-supported gravel/off-road bikepacking ultra across Czechia's forests and hills, offered in ~800km and ~1,100km distances. A durability-and-distance event, well-supplied by ultra standards. Distances, climbing, and July date are approximate.

Brod nad Tichou, Czechia (traverse)

Race Across South Africa (Freedom Challenge RASA)

A ~2,000km non-stop self-supported traverse of South Africa on the Freedom Trail, navigated by map and narrative (no GPS), over cold, portage-heavy mountains with a ~15-day cutoff. Elevation is approximate.

Pietermaritzburg → Diemersfontein/Wellington, South Africa

Race Around Rwanda

A ~1,000km self-supported gravel ultra looping Rwanda, the 'Land of a Thousand Hills' — relentless red-dirt climbing at altitude with a ~159hr cutoff. Elevation is approximate.

Kigali loop, Rwanda

Rad am Ring 24h

24hr road race on the Nürburgring (GP circuit + Nordschleife), Germany. ~26km paved lap with ~560m climbing per lap (Hohe Acht climb). Solo/2er/4er/8er. Short summer night, cold Eifel-altitude descents. A separate 24h MTB race also exists at the venue. Solo winner ~28 laps.

Nürburgring, Nürburg, Eifel, Germany

RADL GRVL

One of Australia's biggest gravel races and part of the GRVL Events family (with SBT and FNLD) — fast, competitive Adelaide Hills gravel with prize money over ~130km/~2,500m of rolling climbs. Date approximate.

Adelaide Hills, South Australia, Australia

Ranxo Gravel

Big Catalan gravel event through the Pyrenean foothills around La Seu d'Urgell, with multiple distances. Flagship ~140km with ~2,500m of sustained gravel climbing. Date and figures approximate/estimated (est. spring 2027).

Alt Urgell / La Seu d'Urgell, Catalan Pyrenees

Rasputitsa Gravel

A short-but-brutal ~74km (46mi) Vermont spring gravel race in the Northeast Kingdom — ~1,500m of punchy climbing plus late-April mud, snow and ice, including the infamous 'Cyberia' section. Conditions, not distance, make it hard. Date approximate (est. late April 2027).

Burke, Vermont, USA

Rebecca's Private Idaho

Rebecca Rusch's bucket-list high Rocky Mountain gravel — the Baked Potato 100mi/~2,590m at altitude, plus a Fully Loaded 118mi and a multi-day Queen's Stage Race option. Date approximate (Labor Day weekend).

Ketchum / Sun Valley, Idaho

Ride Across Britain (RAB)

The UK's premier Land's End to John o' Groats mass event: a 9-day, fully-supported staged charity ride of ~1,560km and ~15,000m climbing over ~9 daily ~108mi stages, with catered basecamps, medics and baggage transfer. A durability-and-recovery life goal, not a race or self-supported bikepacking. Dates approximate (est 4-12 Sep 2027).

Land's End → John o' Groats (LEJOG)

Roc d'Azur

The world's biggest MTB gathering (20,000+ riders, ~40 races) at Fréjus. Flagship Roc Marathon is ~102km/~2,700m of technical rocky Maures/Estérel singletrack. A technical MTB marathon festival.

Fréjus (Base Nature) → Massif des Maures / Estérel, France

Roc Marathon

100.6km MTB marathon, 3,680m climbing, technical 4/5. Massif des Maures, Frejus, Cote d'Azur. Long course of the Roc d'Azur festival week. 5 waves 07:30-08:30, 5-9hr finish. 6 feed + 4 mechanical points. October Mediterranean heat.

Base nature de Frejus, Massif des Maures, France

Rock Cobbler

A deliberately absurd ~160km (100mi) 'not-a-race' gravel adventure in Bakersfield, California — ranch obstacles, hike-a-bike and creek crossings, where the terrain (not the ~1,500m of climbing) is the difficulty. Date approximate (est. mid-Feb 2027).

Bakersfield, California, USA

Rocky Mountain Marathon (Riva del Garda)

Climb-dense MTB marathon over the mountains above Lake Garda, the flagship XC-marathon of the huge Bike Festival Garda. Distance/elevation and date are approximate estimates.

Riva del Garda, Lake Garda, Italy

Run In Lyon 10km

10km flat urban road race through central Lyon. Start noon, cutoff 1h30. Through Vieux-Lyon, Saône banks, Place des Terreaux. Part of the Run In Lyon multi-distance festival.

Lyon, France

Run In Lyon Half Marathon

21.1km half marathon through Lyon. 08:30 start, 3h cutoff, ~98m elevation. Vieux-Lyon, Saône banks, Caluire, Croix-Rousse, finish at Place Bellecour. Pace leaders 1h35-2h10.

Lyon, France

Run In Lyon Marathon

42.195km road marathon through Lyon. 08:30 start, 5h30 cutoff, ~500m cumulative elevation. Saône quays, Croix-Rousse, Parc de la Tête d'Or, Rhône banks. FFA Silver Label. Pace leaders 3h15-4h30.

Lyon, France

Salzkammergut Trophy

Austria's biggest and toughest MTB marathon festival in Bad Goisern, with seven routes from ~22km to the ~209km / ~7,050m A route — one of the hardest MTB marathons in Europe. Next date approximate — verify.

Bad Goisern, Salzkammergut, Upper Austria

Sanlam Cape Town Marathon

Africa's first Abbott World Marathon Major (the 8th, from 2027). A flat, fast, PB-friendly course from Cape Town Stadium past the V&A Waterfront, Bo-Kaap and Sea Point, with Table Mountain as a constant backdrop. Cool May weather and record-fast times. Next 23 May 2027.

Cape Town, South Africa

Santa Vall

The two-day season opener of the Gravel Earth Series and the unofficial kickoff of the European gravel season — fast, competitive back-to-back gravel racing on the celebrated roads of Girona. Date and figures approximate.

Girona, Catalonia, Spain

SBT GRVL

World-class gravel racing at sustained altitude out of Steamboat Springs, Colorado (~2,000 m+). The flagship Black route is ~142 mile (229 km) with ~3,000 m+ of Rocky Mountain climbing. 2027 date is approximate (traditionally mid-August).

Steamboat Springs, Colorado, USA

Schneider Electric Marathon de Paris

One of the world's largest marathons — a mostly-flat, PB-friendly tour of Paris from the Champs-Élysées to Avenue Foch, with deceptive undulations late in the Bois de Vincennes and Bois de Boulogne.

Champs-Élysées → Avenue Foch, Paris

Sea Otter Classic Gravel (Fuego XL)

The Life Time Grand Prix opener at the Sea Otter Classic in Monterey, California — a fast, punchy ~112km (70mi) Fuego XL gravel race plus a longer ~143km (89mi) option, on fast Laguna Seca fire roads. Date approximate (est. mid-April 2027).

Laguna Seca, Monterey, California, USA

SEVEN Gravel

One of Australia's hardest gravel races — brutal, relentless climbing (~3,200m over ~126km) through remote Western Australian forest around Nannup. Date and figures approximate.

Nannup, Western Australia, Australia

Silk Road Mountain Race

~1,900-2,050km self-supported high-altitude bikepacking ultra through Kyrgyzstan's Tian Shan. ~28,000-35,000m climbing, passes above 3,500m, 400km+ resupply gaps. Solo/pairs. 14-day cutoff. Route (and start/finish) redrawn yearly. 2027 date approximate.

Tian Shan mountains, Kyrgyzstan (start/finish change yearly)

Slovakia Divide

Self-supported off-road bikepacking ultra across Slovakia's Carpathians, in three variants: Challenge (~630km), Gravel (~790km), and Hardline (~980km, longest and most technical with some hike-a-bike). Distances, climbing, and August date are approximate.

Modra, Slovakia (Carpathian traverse)

Solway Coast Big Onion Gravel

Grassroots, gritty SW Scotland gravel sportive across Galloway coast and forest — exposed, wind-hit Solway shore plus forest fire roads, self-reliant. 'Big Onion' long and short routes; exact distance/climbing and the late-August 2027 date are approximate (confirm with organiser).

Solway Coast, South West Scotland (Galloway)

SPAR Swiss Epic

A 5-day fully-supported Alpine MTB stage race ridden in two-rider teams across Graubünden (Davos–Engadin), ~340km / ~11,000m total. Both riders finish each stage together. Date approximate.

Davos–Engadin, Graubünden, Switzerland (multi-stage)

Sparkassen Münsterland Giro (Jedermann)

Sold-out ~8,500-rider flat-fast German Jedermann, Borken → Münster Schloss on closed roads (~125km long route). A drafting, positioning and wind-management event, not a climbing one.

Borken → Münster Schloss, Münsterland, Germany

Sportful Dolomiti Race

~204km Dolomite gran fondo from Feltre, widely billed 'Europe's toughest gran fondo'. ~4,900m over four big passes incl. Passo Manghen (2,047m) and the 16% Croce d'Aune wall at ~200km. ~4,500 riders, 7am start. Next edition ~20 June 2027 (approximate).

Feltre, Dolomites, Italy (loop through Trentino)

Stonehaven MSBH GRDO

39-mile / 63km gravel sportive at the Midsummer Beer Happening. ~3,700ft / 1,130m climbing on forest tracks and fire roads. Stonehaven, Aberdeenshire. Single feed station, no mechanical support. Self-sufficient gravel.

Stonehaven, Aberdeenshire

Strathpuffer

24 hours of Scottish winter on a 12.5km fire-road loop, ridden through 17 hours of darkness. US Bike calls it one of the 10 toughest MTB events on the planet. Here's exactly what it demands — and how BEINA gets you ready.

Strathpeffer, Scottish Highlands

Struggle Dales

'Hardest sportive in Yorkshire' from Harrogate. Ultra route up to ~250km over ten iconic Yorkshire climbs; Classic ~165km / ~2,875m; Taster ~120km. Deliberately climb-stacked and brutal. Next edition ~late May 2027 (approximate).

Harrogate, North Yorkshire (Dales loop)

Struggle Moors

One of Yorkshire's hardest sportives from Sutton Bank — ~130km taster, ~189km classic (~3,000-3,800m) and a ~250km Ultra over ~10 iconic North York Moors climbs. Steep-for-distance; climbing is the point. Next date ~2027-07-11 approximate.

Sutton Bank, North York Moors, North Yorkshire

Styrkeprøven (Den Store — Trondheim to Oslo)

~540km point-to-point road ultra from Trondheim to Oslo, 'The Great Trial of Strength' — climbing is front-loaded in the first 120km, then rolling-to-flat. A durability, pacing, fuelling and group-riding event, not a W/kg climb. Shorter options from Lillehammer (~180km) and Eidsvoll (~61km).

Trondheim → Oslo, Norway

Swiss Cycling Alpenbrevet

Andermatt-based Alpine cyclosportif over up to five classic Swiss passes (Susten, Furka, Grimsel, Nufenen, Gotthard). Flagship Gold tour ~212km / ~5,000m; Platin ~267km / ~6,800m. Next date approximate — verify.

Andermatt, Uri, central Swiss Alps

Tartu Rattamaraton

The largest MTB race in the Baltics: a fast, rolling off-road marathon Otepää → Elva on ~93% gravel/dirt/grass (~86km classic, up to ~126km). Continuous short rollers, low technicality; UCI Gravel World Series from 2026.

Otepää → Elva, southern Estonia

TCS Amsterdam Marathon

A near-pancake-flat WA Platinum Label marathon starting and finishing in the Olympic Stadium, past the Rijksmuseum and along the exposed Amstel River — one of the world's fastest, where wind is the key variable.

Olympic Stadium, Amsterdam

TCS New York City Marathon

42.195km point-to-point road marathon across all five boroughs of New York. Staten Island start at the foot of the Verrazzano-Narrows Bridge, finish in Central Park. Rolling and bridge-heavy (~340m climb, five bridges) — NOT a PB course. Abbott World Marathon Major, largest marathon in the world by finishers.

New York City, USA

TCS Sydney Marathon

42.195km point-to-point road marathon through Sydney. North Sydney start over the Sydney Harbour Bridge, finish at the Opera House forecourt. Scenic but genuinely rolling (~313m gain, net -83m) — NOT pancake flat. The newest (7th) Abbott World Marathon Major.

Sydney, Australia

TCS Toronto Waterfront Marathon

Canada's championship marathon — a mostly flat, fast course through the downtown core and along the waterfront, finishing near Nathan Phillips Square. A strong PB course with a few short inclines. Next date ~17 Oct 2027 (approximate — confirm on the official site).

Toronto, Canada

TDS (Sur les Traces des Ducs de Savoie)

The most technical UTMB-week race — ~145km / ~9,100m of remote, high, wild trails from Courmayeur to Chamonix. Next-date approximate (UTMB week, late August).

Courmayeur, Italy → Chamonix, France

The Affric Gravel Sportive

Remote Highland gravel sportive through Glen Affric on rugged estate and forest tracks — self-reliant, weather-exposed, grassroots. Long and short routes; exact distance/climbing and the early-October 2027 date are approximate (confirm with organiser).

Cannich / Glen Affric, Scottish Highlands

The Bà Sportive (Bealach na Bà)

~90mi / ~3,000m Highland climbing sportive from Kinlochewe, Wester Ross, centred on Bealach na Bà — Britain's hardest tarmac climb (626m, alpine hairpins, 20% ramps). Remote, exposed, wild. Ex-Bealach Mor. Next edition ~4 Sep 2027 (approximate).

Kinlochewe, Wester Ross, Scottish Highlands

The Bear 100

A classic Rocky Mountain Slam 100-miler: point-to-point across the Bear River Range from Utah into Idaho, ~22,000ft of climbing at peak autumn colour, cold high nights, 36h cutoff. Date approximate (last weekend of September).

Logan, Utah → Fish Haven, Idaho (Bear River Range)

The Bright Midnight

~1,100km self-supported gravel bikepacking ultra through remote Norway under the midnight sun (near-24hr daylight). ~2027 date and figures are approximate.

Tolga, Norway (remote gravel loop/traverse)

The Cheshire Cat Sportive

A classic late-March UK season-opener from Crewe, headlined by the savage short climb of Mow Cop, 'the Killer Mile' (~23% max). Long route ~104 miles / ~1,780m — front-loaded hills then a flat back half.

Crewe, Cheshire, NW England

The Chiller 24

24hr MTB race in Newcastleton, Scottish Borders. ~7-mile singletrack laps with 350m climbing. Solo/pair/quad. Low-key, campsite-based. 10am Sat to 10am Sun.

Newcastleton, Scottish Borders

The Elan Valley Gravel

Remote mid-Wales gravel sportive around the Elan Valley reservoirs and moorland, with climbs linking the dams — self-reliant, weather-exposed, grassroots. Long and short routes; exact distance/climbing and the mid-September 2027 date are approximate (confirm with organiser).

Elan Valley, Mid Wales

The Gralloch

The UK round of the UCI Gravel World Series and a Worlds qualifier — a fast, race-pace ~110 km (~1,600 m) on Galloway forest and estate gravel, out of Gatehouse of Fleet, Scotland. 2027 date approximate (mid-May).

Gatehouse of Fleet, Galloway, Scotland

The Gravelfoyle 10

10hr timed gravel endurance race on the Three Lochs Forest Drive, Aberfoyle, Trossachs. ~25km gravel laps, ~240m climbing per lap. Solo/pairs/teams. Complete as many laps as possible. Part of the Gravelfoyle Triple Crown.

Aberfoyle, Loch Lomond & The Trossachs National Park, Scotland

The Mid South

Cult community red-dirt gravel race (formerly Land Run 100) — ~100mi/~1,830m of rolling Oklahoma prairie, fast when dry, infamous peanut-butter mud when wet. Date approximate (mid-March).

Stillwater, Oklahoma

The Naughty Northumbrian

Timed-stage MTB enduro at Kielder — result is combined timed descent-stage times, liaison climbs untimed; decided by descent skill and repeatability, not FTP. Distance/elevation/stages and date are approximate estimates.

Kielder, Northumberland, England

The Rift

A remote volcanic-highland gravel ultra through Iceland riding the tectonic rift, out of Hvolsvöllur. The flagship 200 km (~2,600 m, 92% backcountry gravel) features lava rock, multiple river crossings, the Hekla climb, and extreme weather. 2027 date approximate (mid-July).

Hvolsvöllur, Iceland (volcanic highlands)

The Roman's Revenge

Grassroots Welsh gravel sportive over old Roman roads and forest tracks — punchy, repeated loose-surface climbing, self-reliant and weather-exposed. Long and short routes; ALL distance/climbing figures and the early-to-mid-October 2027 date are approximate (confirm with organiser).

Wales (mid/upland)

The Traka

One of the world's most coveted gravel races, the centrepiece of Girona's Klasika weekend. The flagship 200 km covers ~3,000 m of varied Catalan gravel; 100/360/560 km options also run. 2027 date approximate (late Apr–early May).

Girona, Catalonia, Spain

Three Peaks Bike Race

~2,500km self-supported ultra-distance road race across the Alps with three mandatory summits and ~30,000m+ of climbing. Peaks and route change yearly; ~2027 date and figures are approximate.

Vienna, Austria → Mediterranean coast (route varies)

Tiliment Marathon Bike

Rugged UCI MTB marathon in Friuli, north-east Italy — sustained forest climbs linking rocky, rooty natural descents. Distance/elevation and date are approximate estimates.

Friuli-Venezia Giulia, Italy

Tokyo Marathon

42.195km point-to-point road marathon through central Tokyo. Start at the Tokyo Metropolitan Government Building (Shinjuku), finish near Tokyo Station. Redesigned flat, net-downhill fast course (~40m climb) — a genuine PB course. Abbott World Marathon Major, 40,000 field, 7-hour cutoff.

Tokyo, Japan

Tor des Géants (TOR330)

One of the toughest ultras on earth: ~330km / 24,000m D+ single-stage, semi-self-sufficient (no pacers) around the Aosta Valley's Alte Vie, 25+ passes over 2,000m, 4-6 days on the move, 150h limit. Date approximate (mid-September).

Courmayeur, Aosta Valley, Italy (Alte Vie loop)

Tor des Glaciers (TOR450)

The extreme TORX sister to Tor des Géants: ~450km / 32,000m D+ single-stage, semi-self-sufficient on the highest glacial routes of the Aosta Valley, 6-8 days, ~190h limit — reserved for prior TOR330 finishers. Date approximate (mid-September).

Courmayeur, Aosta Valley, Italy (high glacial routes)

Torino-Nice Rally

A ~700km / ~16,000m self-supported Alpine bikepacking rally (NOT a race) from Turin to Nice over legendary gravel and paved cols, every day over 2,000m. Date is approximate.

Turin, Italy → Nice, France

TORQ In Your Sleep

12-hour lapped MTB endurance race at Minley Manor, Hampshire. ~13km fast XC 'figure-of-8' lap, mainly flat with three punchy climbs. Solo/pairs/teams/singlespeed/fatbike + a 6hr race. Late-August Bank Holiday. Next edition ~29 Aug 2027 (approximate).

Minley Manor, near Yateley, Hampshire

Tour Aotearoa

A ~3,000km self-supported bikepacking brevet the length of New Zealand, Cape Reinga to Bluff, ridden in daily waves with a deliberate 10-day minimum. Self-paced adventure, not a race.

Cape Reinga → Bluff, New Zealand

Tour de Manc

Big-loop charity road sportive from Middleton, Greater Manchester with four routes — ~60/100/165km and the ~201km 'Mad Manc' (~3,000m). Rolling northern lanes with sharp Peak District climbs. Next date ~2027-05-02 approximate.

Bowlee Community Park, Middleton, Greater Manchester

Tour des Stations — Ultrafondo

242km Alpine ultra-cyclosportif from Verbier, Valais — 8,848m of climbing (Everest height in a day). Billed 'the toughest one-day bike race in the world'; ~5% finish rate in bad years. Shorter Superfondo/Granfondo/Mediofondo options. Next edition ~late Aug 2027 (approximate).

Verbier / Val de Bagnes, Valais, Switzerland

Tour Divide

~2,700-mile (~4,350km) self-supported bikepacking ultra down the Great Divide Mountain Bike Route, Banff (Canada) to Antelope Wells (USA). ~150,000-200,000ft climbing, the Great Divide Basin, Indiana Pass (11,913ft). Solo, self-timed, no cutoff. 2027 date approximate.

Banff, Alberta, Canada -> Antelope Wells, New Mexico, USA

Tour O The Borders

120km / 74mi closed-road sportive in the Scottish Borders. ~1,200m climbing. Devil's Beeftub, Paddy Slacks, Talla/Megget moorland traverse. Fully closed roads (rare for UK). Short route 88.8km / 940m. 16 km/h min speed cutoff.

Peebles, Scottish Borders

Tour of Cambridgeshire

A flat, fast, fully closed-road gran fondo in Cambridgeshire (~128km) and UCI Gran Fondo World Series qualifier — widely called the closest RideLondon replacement for speed, closed roads and bunch atmosphere. A positioning, drafting and aero day, accessible yet PB-able. Next date approximate (est June 2027).

Cambridgeshire (Peterborough area), England

Trans Am Bike Race

A ~6,800km self-supported coast-to-coast ROAD ultra across the USA on the TransAmerica Trail, Astoria to Yorktown, with ~53,000m of cumulative climbing. Date and elevation are approximate.

Astoria, Oregon → Yorktown, Virginia, USA

Trans Balkan Race

1,400km self-supported ultra-endurance bikepacking race through 4 countries (Slovenia → Montenegro). 30,000m climbing through the Dinaric Alps. Solo/pairs. 10-day window. Checkpoints with cut-offs.

Sežana, Slovenia → Kotor Bay, Montenegro

Trans Pyrenees Race

~1,500-1,800km self-supported ultra-distance ROAD race — a double coast-to-coast traverse of the Pyrenees, run by Lost Dot. ~30,000m+ climbing over iconic cols; autumn weather with snow risk. Solo/pairs, ~8-day limit. Start/finish/turnaround change by edition; 2027 date approximate.

Double traverse of the Pyrenees (coast-to-coast-to-coast; endpoints change by edition)

Transcontinental Race

~3,800-5,000km self-supported ultra-distance ROAD race point-to-point across Europe, run by Lost Dot. ~4 mandatory control points with high-mountain parcours; self-navigated between them. Solo/pairs, ~15-16 day cutoff. Start/finish change every edition; 2027 date approximate.

Point-to-point across Europe (start/finish change every edition)

Traws Eryri

Self-guided 3-day MTB crossing of Snowdonia (Eryri), Wales (~180-220km, approximate). Rugged Welsh mountain bridleways, hike-a-bike and wet mountain weather; a self-reliant adventure rather than a mass-start race. Date window and figures approximate.

Snowdonia (Eryri), North Wales

Tre Valli Varesine Gran Fondo

Closed-road gran fondo on the historic Tre Valli Varesine pro roads (UCI GF World Series; UEC European Champs host). ~126km / ~2,500m of continuous pre-Alpine climbing between Lakes Lugano, Maggiore and Varese. ~99km medio option. Next date ~2027-10-03 approximate.

Varese, Lombardy, Italy

TweedLove Enduro

Flagship Tweed Valley timed-stage MTB enduro (Glentress/Innerleithen) — result is combined timed descent-stage times, liaisons untimed; decided by descent skill and repeatability, not FTP. Distance/elevation/stages and date are approximate estimates.

Tweed Valley, Scottish Borders, Scotland

UNBOUND Gravel

The world's premier gravel race: a self-supported 200 mile (322 km) ultra across the Flint Hills of Kansas, defined by brutal June heat, flint tyre-cuts, and long remote self-sufficiency. Distances from 25 to 350 mile.

Emporia, Kansas, USA (Granada Theatre start → Flint Hills)

UTMB — Ultra-Trail du Mont-Blanc

The world's premier mountain ultra: ~174km loop of the Mont-Blanc massif from Chamonix with ~10,000m of climbing, through France, Italy and Switzerland. One-to-two days on foot, two nights, 46h30 cutoff. A running event — pace, weekly vert and finish-time bands matter, not FTP.

Chamonix, France -> loop through Italy & Switzerland -> Chamonix

Valencia Marathon (Trinidad Alfonso)

One of the flattest, fastest marathons on earth and a world-record-calibre PB destination, run on wide city boulevards in cool early-December weather. Next-date approximate (first Sunday of December pattern).

City centre, Valencia

Vätternrundan

315km mass-participation lap of Lake Vättern from Motala, Sweden. Almost flat (~1,500m) — the challenge is distance, wind, group-riding and 10-14hr in the saddle, much of it overnight. ~20,000+ riders — one of the world's largest cycling events. Next edition ~18 June 2027 (approximate).

Lap of Lake Vättern, start/finish Motala, Sweden

Vienna City Marathon

42.195km flat, fast road marathon through the imperial city and along the Danube. ~120m gentle elevation, a genuine PB and Boston-qualifier course. One of the big European spring marathons.

Vienna, Austria

VolCAT

Compact Catalan MTB stage race based in Igualada (Barcelona) over the Easter weekend — old-school technical singletrack plus fast flow terrain, punchy non-stop climbing, cumulative GC. Date approximate (Easter).

Igualada, Barcelona, Catalonia, Spain

Vuelta a Ibiza MTB

Large (~1,000-rider) 3-stage island MTB stage race crossing Ibiza top to bottom — ~201km / ~5,100m over three days of tough climbs, technical descents, and sustained-pedalling sections. Cumulative GC. Date approximate.

Ibiza (Sant Antoni de Portmany), Balearic Islands, Spain

We Ride Flanders (Ronde van Vlaanderen Cyclo)

Cobbled-berg cyclosportif on the Tour of Flanders course, day before the pros. 79/133/163/247km — the long route starts in Antwerp. Leg-breaking short steep cobbled bergs (Koppenberg, Paterberg). ~16,000 riders. Next edition 3 Apr 2027 (confirmed).

Oudenaarde / Antwerp, East Flanders, Belgium

West Highland Way Race

One of the world's oldest ultramarathons: 96 miles point-to-point from Milngavie to Fort William along the West Highland Way, with ~4,500m of climbing. Crew-supported, 01:00 start, 35-hour cutoff, run through one or two nights. A running event — vert, technical trail and night running matter, not FTP.

Milngavie -> Fort William, Scotland

Western States 100

The world's oldest 100-mile trail race: 100.2 miles point-to-point from Olympic Valley to Auburn, California. Net-downhill (~5,500m up / ~7,000m down) through Sierra high country and 40°C+ Gold Country canyons. 30-hour cutoff; sub-24h earns the silver buckle. A running event — heat tolerance and descent durability decide it, not FTP.

Olympic Valley -> Auburn, California, USA

Whiskey Off-Road

A technical Arizona backcountry MTB marathon (Epic Rides) around Prescott — 50 Proof ~80km (50mi) with ~1,980m of climbing and rocky technical descents at ~1,600-2,000m altitude, plus 30 and 15 Proof options. A mountain-bike race, not gravel. Date approximate (est. late April 2027).

Prescott, Arizona, USA

Wild Wales Challenge

~90mi / ~9,500ft Welsh climbing challenge ride from Bala, on the edge of Snowdonia. Punishing ~105ft/mile ratio over minor, gravelly mountain roads incl. Bwlch y Groes (highest road pass in Wales). Cult 40+ year event. Next edition ~29 Aug 2027 (approximate).

Bala, Gwynedd, Wales

Zurich Marató Barcelona

A fast, central, gently undulating (~156m) urban marathon redesigned to remove 180° turns and climbs, past Sagrada Família and the city's landmarks. Start Passeig de Gràcia/Plaça de Catalunya, finish Plaça d'Espanya. A popular Boston/World Athletics qualifier. Next 14 Mar 2027, 08:30 start.

Barcelona, Catalonia, Spain