Organiser
Leadville Trail 100 Run
Leadville, Colorado, United States
21–22 Aug 2027
The Race Across the Sky: a high-altitude 100-mile out-and-back from Leadville, Colorado, never dropping below 9,200 ft.
Train for this raceAbout
The Life Time Leadville Trail 100 Run is a 100-mile out-and-back through the Colorado Rockies, starting and finishing on 6th Street in Leadville at over 10,000 ft. The course crosses Hope Pass at about 12,600 ft and never drops below roughly 9,200 ft.
Finishers under 25 hours earn the large buckle and under 30 hours the small buckle. Entry is by lottery or qualification, with the 2027 lottery open 1 to 15 December 2026.
Distances
| Name | Distance | Gain | Loss | Vert / km | Min altitude | Max altitude | Start | Start location | Finish | Course | Cutoff | Terrain | Technicality | Aid stations | Badges | Entry fee |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Leadville Trail 100 Run | 160.9 km | 4,071 m | — | 25.3 m/km | — | — | 21 Aug 2027 04:00 America/Denver | 6th Street and Harrison Avenue, Leadville | 6th Street, Leadville | Out and back | 30 h | Mountain | — | — | — | — |
Leadville Trail 100 Run terrain notes
Out-and-back through the Colorado Rockies with the Hope Pass crossing at about 12,600 ft. Sub-25 hour large buckle, sub-30 hour small buckle.
Registration
- Status
- Not open
Links
Notes
Lottery opens 1 to 15 December 2026, results on 6 January 2027, deferral registration opens 1 November. 2026 price was $495. Twelve aid stations on the 2026 course. Minimum age 18.