Trail Running calendar near Lake City 2026-2027

A mountain ultramarathon in Crested Butte, Colorado on September 26, 2026, offered in 35K, 55K and 50 mile distances. Courses run through Gunnison National Forest with single track trails, alpine meadows, cupless aid stations, and on course..

A high altitude trail half marathon near Telluride on September 26, 2026, covering about 13 miles of mostly singletrack through aspen woods, finishing in town with stocked aid stations and required alpine gear.

A cross-country meet at Reservoir Hill in Pagosa Springs with middle school 3K and high school 5K races on hilly forest roads and single-track trails. Ribbons go to the top 10 and team awards for top high school teams.

A 12 Mile uphill trail race at Purgatory Resort in Durango, Colorado on September 26, 2026. The single track course climbs from the base to the summit and concludes with a post race celebration including food and beer.

Trail races of 50K, 28K and 15K take place in Hartman Rocks near Gunnison Colorado on October 3 2026. The course mixes slickrock, singletrack and doubletrack with wide mountain and basin views.

A point-to-point trail marathon and 30K in Colorado’s North Fork Valley at peak fall color, with mountain climbs to Inter-Ocean Pass and proceeds funding summer camp scholarships.

The Camp 4 Coffee Cart to Cart Trail Race will take place in Crested Butte on Saturday 3 October 2026. You can run between 10 and 19 miles.