Crested Butte Ultra

The Grin & Bear It is Crested Butte’s oldest trail running event, featuring a 15 km out-and-back race and a new 25 km loop, both starting and ending at the Crested Butte Nordic Center. The event takes place in July and offers scenic routes through mountain trails with significant elevation changes,..

The Audi Power of Four Trail Run is an exciting running event set in the scenic mountains of Aspen Snowmass. Participants can choose from three different race distances: a challenging 50K, a 25K, and a 10K run, catering to various skill levels. This event not only offers a chance to enjoy the beauti..

The Aspen Backcountry Marathon, held in Aspen, Colorado, offers three challenging trail running distances: a 50K, a marathon, and a heavy half-marathon. The courses run almost entirely on dirt trails featuring diverse terrain with significant ascents and descents, and elevation gains up to 5,512 fee..

The Grand Traverse Mountain Run is a challenging 40-mile point-to-point ultra marathon from Crested Butte to Aspen, Colorado, following the route of the historic Grand Traverse Backcountry Ski race. Participants traverse the Elk Mountains, gaining over 6,000 feet of elevation, and experience stunnin..

The Golden Leaf Half Marathon is a scenic running event held annually in late September, starting at Fanny Hill in Snowmass and finishing at Koch Lumber Park in downtown Aspen, Colorado. The course follows the Government Trail, winding through beautiful Aspen groves, offering runners a picturesque a..

The Sage Burner Trail Race takes place in the scenic Hartman Rocks Recreation Area near Gunnison, Colorado, nestled in the Rocky Mountains. This fall event features challenging distances of 50K, 28K, and 15K, with the 15K supporting the Youth Trail Running Initiative to encourage young athletes. The..