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
| Location | Mile | Elevation |
|---|---|---|
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 |
Teocalli Aid Station | 24.0 | 9,272 ft |
Farris Creek Aid Station | 27.0 | 9,321 ft |
Finish Finish | 33.0 | 8,845 ft |
Sign in to see cutoffs, crew access, drop bags, and services for every aid station.
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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