Trail Running calendar near Crested Butte 2025-2026

The Crested Butte Ultra is an exciting running event set in the picturesque Crested Butte, Colorado, known for its exceptional trails. Participants can choose from three race distances: 50 Miler, 55K, and 35K, all of which traverse the stunning landscapes of Gunnison National Forest. Runners will en..

The Golden Leaf Half Marathon is a scenic running event that takes place annually in Aspen, Colorado. The race begins at Fanny Hill in Snowmass and follows the picturesque Government Trail, winding through beautiful aspen groves before finishing at Koch Park in downtown Aspen. This bucket-list half..

The West Line Winder is a scenic trail running event held in Buena Vista, Colorado, featuring 30K and 50K races. Set against the stunning backdrop of the Collegiate Peaks, participants can enjoy a mix of singletrack and forest roads, with significant elevation gain. This event caters to all levels o..

The Sawatch Ascent is a challenging 50k trail race set in the stunning Colorado mountains, taking place on September 28, 2025. Starting and finishing at the base of Mount Princeton, participants will experience a significant elevation gain of 7,000 feet, reaching a high point of 13,150 feet. The cou..

The West Elk Challenge is a scenic trail marathon held in the North Fork Valley of Colorado, featuring a challenging 26.2-mile point-to-point course. Participants start at Crawford Reservoir State Park and ascend through the stunning fall foliage of the Gunnison National Forest, culminating at the s..

The Sage Burner Trail Race takes place in the scenic Hartman Rocks Recreation Area in Gunnison, Colorado, surrounded by stunning views of the Maroon Bells and San Juan Mountains. This challenging event features various distances, including a 50K, 28K, and 15K, offering a mix of technical slickrock a..