Crested Butte Ultra

Crested Butte Ultra - Event overview

The Crested Butte Ultra takes place on September 26, 2026, in Crested Butte, Colorado. The event includes three distances:

• 50 Mile
• 55K
• 35K

The start and finish are located at Crested Butte Community School, 818 Red Lady Avenue. The race is authorized under a special use permit with the Grand Mesa, Uncompahgre, and Gunnison National Forests. Results are posted on UltraSignup. Race entries are non-transferable. Packet pickup requires a photo ID and is handled on race day at the community school; runners may collect the goody bag and shirt for a registered runner who will not attend, but not another runner’s bib.

Course and race logistics

All courses traverse single-track trails, mountain meadows, and ridges and pass through portions of the Gunnison National Forest. Aid stations are cupless; participants must bring a reusable cup. Water dispensers are provided at the start/finish and at every aid station. Elevation details by course:

• 50 Mile: lowest 8,822 ft, highest 11,291 ft, elevation gain 8,301 ft, elevation loss 8,301 ft.
• 55K: lowest 8,822 ft, highest 11,290 ft, elevation gain 4,567 ft, elevation loss 4,567 ft.
• 35K: lowest 8,822 ft, highest 9,988 ft, elevation gain 2,280 ft, elevation loss 2,280 ft.

Race participants receive a custom race shirt, a BOCO hat, and a finisher’s buckle. Visit the organization's website for the most recent information.