Grand Traverse Mountain Run

The Aspen Backcountry Marathon, held in Aspen, Colorado, offers three trail running distances: a 50K ultra, a marathon, and a heavy half-marathon. The courses run almost entirely on dirt trails featuring diverse terrain with challenging ascents, descents, and significant elevation gain, reaching ove..

The Lead King Loop 25K is a scenic running, walking, or hiking event held in the heart of Colorado's Elk Mountain Range near Marble. Participants traverse a 25-kilometer loop around Lead King Basin, passing iconic landmarks such as the Crystal Mill and the Town of Crystal. The race takes place amid..

The Crested Butte Ultra, held in Crested Butte, Colorado, offers runners a challenging and scenic experience through the Gunnison National Forest. The event features three distances: 50 miles, 55K, and 35K. Participants traverse single-track trails that wind through mountain meadows, ridges, and low..

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 Gunnison, Colorado, within the scenic Hartman Rocks Recreation Area near Black Canyon National Park. This fall event offers three distances: 50K, 28K, and 15K, featuring a challenging course with technical slickrock, smooth singletrack, and fast doubletrack..

The Gothic Mountain Tour, hosted by Crested Butte Nordic in Colorado, is a challenging and scenic cross-country ski race circling Gothic Mountain. It offers two race distances: a competitive 23.5-mile course starting behind Crested Butte Community School, and a 17.85-mile recreational course beginni..