Crested Butte Ultra
Crested Butte, United States • 26 Sep 2026
Event details
Crested Butte Ultra takes place in Crested Butte, Colorado on September 26, 2026. The event offers three distances:
- 50 Mile
- 55K
- 35K
The start and finish are at Crested Butte Community School, 818 Red Lady Avenue, Crested Butte, CO (GPS: 38°51'52.2"N 106°58'31.8"W). The event is authorized under a special use permit with the Grand Mesa, Uncompahgre, and Gunnison National Forests. Registration for the event opens November 1, 2025.
Course and support
Course data by distance:
- 50 Mile - lowest point 8,822 ft, highest point 11,291 ft, elevation gain 8,301 ft, elevation loss 8,301 ft.
- 55K - lowest point 8,822 ft, highest point 11,290 ft, elevation gain 4,567 ft, elevation loss 4,567 ft.
- 35K - lowest point 8,822 ft, highest point 9,988 ft, elevation gain 2,280 ft, elevation loss 2,280 ft.
The event operates cupless aid stations; runners must provide a reusable cup or container. Water dispensers are available at the start/finish and at each aid station. Race day packet pickup is at Crested Butte Community School; runners must present photo ID to receive a packet. Entries are non-transferable and bibs may not be picked up for another person. All finishers receive a race shirt, a BOCO hat, and a finisher's buckle. Official results are posted on UltraSignup; race photos are provided by Redgoat Photography. Visit the organization's website for the most recent information.