Sheep Mountain Ultras
Fairplay, United States • 1 Aug 2026
Event details
Sheep Mountain Trail Runs takes place on Saturday, August 1, 2026, in Fairplay, Colorado. The event is organized by the Human Potential Running Series and lists a runner capacity of 300 and a race time limit of 16 hours. The start and finish are at the Town of Fairplay Beach / Events Platform.
Distances
- Half Marathon
- 50k
- 50-Mile
Online registration opens December 1, 2025 and online registration closes in late July 2026. Race day registration is available. Some registration deadlines affect race shirt and finisher award availability.
Course, logistics and rules
Courses use dirt county roads and USFS fire roads; some sections are rocky. Average elevation is over 10,600 ft. Aid stations are provided and the race publishes maps, elevation profiles, an aid station chart, and course videos. Drop bags are allowed for 50-Mile and 50k at specified aid stations; no drop bags for the Half. A mid-race drop-down is allowed: 50-Mile runners may drop to the 50k at Brown's Pass, and 50-Mile and 50k runners may drop to the Half at Horseshoe; no refunds are given for distance changes. Crews and pacers are permitted only under specified rules: crews for the 50-Mile at select locations, and pacers for the 50-Mile only. Camping options include tents, camper vans, roof top tents, and camp trailers. The event operates with permits from USFS Pike National Forest, Park County, the Town of Fairplay, BLM, and private landowners. Visit the organization's website for the most recent information.