Trail Running calendar near Gunnison 2025-2026

The Sheep Mountain Ultras, part of the Human Potential Running Series, is an annual trail running event held in Fairplay, Colorado. Scheduled for August 2, 2025, it features three race distances: a challenging 50-mile, a 50k, and a half marathon, all set against the stunning backdrop of the South Pa..

The TransRockies Run is an exhilarating six-day stage race set in the stunning Colorado Rockies, covering a total distance of 120 miles. Scheduled for August 4-9, 2025, this event promises an unforgettable adventure for participants, combining the thrill of trail running with the camaraderie of a vi..

The High Five 100 is an ultra-running challenge held in Lake City, CO, designed for elite runners seeking a rigorous test of endurance. Participants must navigate a course that includes 22 designated locations, consisting of 6 checkpoints and 16 proof points, with the goal of returning to Lake City ..

The Leadville Trail 100 Mile Run, known as the "Race Across the Sky," is a prestigious ultramarathon held annually in Leadville, Colorado. Established in 1983, it challenges participants with a grueling 100-mile out-and-back course that features extreme elevation changes, reaching a peak of 12,600 f..

The Arrowhead Half Marathon will take place in Edwards on Saturday 23 August 2025. You can run between 5 and 13 miles.

The Telluride Mountain Run is a challenging and technical race set in the stunning San Juan Mountains of Telluride, Colorado. Participants can choose from three demanding routes: 40 miles, 24 miles, and 13 miles, all featuring old mining roads, singletrack trails, and alpine tundra. Runners will nav..

The Rio Grande 100 is an exhilarating ultramarathon set in South Fork, Colorado, featuring a challenging course that traverses the stunning La Garita mountains. Runners will experience diverse terrains, from arid forests to alpine tundra, with elevations exceeding 12,000 feet. The event emphasizes a..

The Grand Traverse Mountain Run is a challenging 40-mile ultra marathon that takes place from Crested Butte to Aspen, Colorado, following the route of the Grand Traverse Backcountry Ski race. Participants face over 6,000 feet of elevation gain as they traverse the stunning Elk Mountains. This event ..

The Creede Mountain Run, established in 1987, is a celebrated running event held in Creede, Colorado, marking the transition from summer to fall. Participants can choose from four race distances: 2 miles, 12 miles, 22 miles, and 50K, all set against the stunning backdrop of the San Juan Mountains. T..

The Deep Creek Trail Half Marathon is a scenic trail running event taking place in Telluride, Colorado. The race begins at Last Dollar Road near the Telluride Airport and features a picturesque course that winds through Aspen-filled woods along the Deep Creek Trail, covering approximately 13 miles o..

The Crested Butte Ultra is an exciting trail running event set in the stunning landscapes of Crested Butte, Colorado, known for its exceptional trails and breathtaking views. Participants can choose from three race distances: 50 miles, 55K, and 35K, all set against the backdrop of the Gunnison Natio..

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 popular half mara..

The West Line Winder is a scenic trail running event featuring 30K and 50K races set in the picturesque Colorado Rockies, specifically in the San Isabel National Forest and surrounding areas. This event caters to all levels of runners, from beginners to seasoned ultramarathoners, offering a mix of s..

The West Elk Challenge is a scenic trail marathon held in the North Fork Valley of Colorado, featuring a challenging 26.2-mile course. Participants start at Crawford Reservoir State Park and traverse through picturesque landscapes, including farms, ranches, and the Gunnison National Forest, culminat..

The Sage Burner Trail Race takes place in the scenic Hartman Rocks Recreation Area of Gunnison, Colorado, surrounded by stunning views of the Maroon Bells and San Juan Mountains. This challenging race features a mix of technical slickrock, smooth singletrack, and doubletrack trails, making it a true..