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).
25 August 2027Courmayeur, Italy → Chamonix, France145km
Get your TDS (Sur les Traces des Ducs de Savoie) planThe most technical UTMB-week race — ~145km / ~9,100m of remote, high, wild trails from Courmayeur to Chamonix. Next-date approximate (UTMB week, late August).
What makes it hard
- Night riding — pacing and kit in the dark are part of the performance
- 9100m of total climbing
- Technical terrain: technical high singletrack, scree, exposed passes, steep loose descents
How BEINA trains you for it
BEINA reads the exact demands of TDS (Sur les Traces des Ducs de Savoie) — mountain ultra, 145km, technical high singletrack, scree, exposed passes, steep loose descents — and builds your plan around them. Race-day predictions and AI coaching remove the guesswork so you arrive ready.