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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).

21 August 2027Leadville, Colorado (out-and-back over Hope Pass)161km
Get your Leadville Trail 100 Run plan

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).

What makes it hard

  • Night riding — pacing and kit in the dark are part of the performance
  • 4750m of total climbing
  • Technical terrain: high-altitude dirt road, doubletrack and singletrack; one big alpine pass (Hope Pass), mostly runnable

How BEINA trains you for it

BEINA reads the exact demands of Leadville Trail 100 Run — trail ultra, 161km, high-altitude dirt road, doubletrack and singletrack; one big alpine pass (Hope Pass), mostly runnable — and builds your plan around them. Race-day predictions and AI coaching remove the guesswork so you arrive ready.