Crested Butte Ultra

SEP
26
2026
Mountain trail ultramarathons in Crested Butte, Colorado on September 26, 2026 offer 35K, 55K and 50 Mile courses across alpine meadows and ridges. Aid stations are cupless and the event starts and finishes at Crested Butte Community School.
Sat 26 Sep 2026
50 miles 55 kilometers 35 kilometers

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Crested Butte Ultra

Crested Butte Ultra is a trail running event in Crested Butte, Colorado held on September 26, 2026. Distances offered are:

  • 35K: Lowest 8822', Highest 9988', Elevation gain 2280'
  • 55K: Lowest 8822', Highest 11290', Elevation gain 4567'
  • 50 Mile: Lowest 8822', Highest 11291', Elevation gain 8301'

Courses traverse the Gunnison National Forest and include single track trails through mountain meadows and along ridgelines. Lower elevation sections feature wildflowers; higher sections provide alpine views and fall foliage. The event operates under a special use permit with the Grand Mesa, Uncompahgre, and Gunnison National Forests.

Aid stations are cupless. Water dispensers will be available at the start/finish area and at every aid station for filling bladders, bottles, or reusable cups; runners are asked to bring a reusable cup.

The start and finish are located at Crested Butte Community School, 818 Red Lady Avenue, Crested Butte, CO. Packet pickup is handled on race day at the school; a photo ID is required to receive a packet. Entries are non-transferable. Runners may collect the goody bag and shirt of a registered runner who will not attend, but may not pick up another runner's bib.

All entrants receive a custom race shirt, a custom BOCO hat, and a finisher's buckle. Official results are posted on Ultrasignup and event photos are provided by Redgoat Photography. Visit the organization's website for the most recent information.

50 mi
50 Mile
55 km
55k
35 km
35k
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