Crested Butte's finest singletrack in full fall color
Other trail races within 46 miles
A 55-kilometer loop through the Gunnison National Forest capturing Crested Butte's signature singletrack, gaining 4,567 feet as it threads through meadows and aspens to ridgelines just above 11,000 feet. A demanding but accessible mountain ultra that showcases why this corner of Colorado is beloved by trail runners, timed for the height of fall foliage season.
Some ultra experience recommended
Crested Butte, CO, United StatesSeptember 26, 2026
Crested Butte Ultra 55K is a loop trail race in Crested Butte, CO, United States, held on September 26, 2026. The course covers 34.2 miles and climbs 4,690 ft.
| Location | Mile | Elevation | Cutoff |
|---|---|---|---|
Start / Finish Start | 0.1 | 8,875 ft | — |
Farris Creek Aid Station | 6.0 | 9,334 ft | — |
Teocalli Aid Station | 12.5 | 9,265 ft | 5h30m12:30 PM |
Teocalli Aid Station | 24.0 | 9,272 ft | 9h4:00 PM |
Farris Creek Aid Station | 27.0 | 9,321 ft | 10h5:00 PM |
Finish Finish | 33.0 | 8,845 ft | 12h7:00 PM |
Aid station details for this race are still being filled in. Cutoffs and access rules come from the race’s own published information and can change — check the official race details before planning around them.
Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.
Entire course runs above 8,800 feet; 55K peaks near 11,290 feet on exposed ridgelines
Late September Colorado mountain weather can shift from sunny to snow within hours
No required gear specified
No recommended gear specified
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