Trail Running calendar near Grand Mesa 2025-2026

Ouray Mountain Trail Run takes place in Ouray, Colorado, on September 20, 2025, and covers 13 miles of mountainous terrain, starting and finishing at Fellin Park. A fundraiser for Ouray School, it’s hosted by PATT and the HS Outdoor Education Class to support student trips to Moab, Denver, Washingto..

Crested Butte Ultra, in Crested Butte, Colorado, features 50 Miler, 55K, and 35K formats. Runners traverse the Gunnison National Forest on single-track trails through mountain meadows and up to high ridges for wide-open vistas of wildflowers, mountain backdrops, and fall foliage. The event aims to f..

Deep Creek Trail Half Marathon is a roughly 13-mile trail race in Telluride, Colorado. The course starts at the beginning of Last Dollar Road near the Telluride Airport, runs to the Deep Creek Corral, then climbs into Aspen-filled woods and follows the Deep Creek Trail back to Telluride. The mostly..

Golden Leaf Half Marathon, presented by ACG, is the bucket-list race hosted by the Ute Mountaineer and the City of Aspen. The half marathon (approximately 13.1 miles) starts at Fanny Hill in Snowmass and follows the Government Trail through scenic Aspen groves, finishing at Koch Lumber Park in downt..

Hanging Flume 50k is an ultrarunning trail race in Uravan, Colorado, starting and finishing at the historic Uravan Ballpark. The 50-kilometer course forms a large loop that mostly follows old mining two-track and remote desert single-track, threading canyons, slick-rock, and expansive southwestern v..

The West Elk Challenge Trail Marathon takes place on October 4, 2025, in the North Fork Valley of Colorado. It is a point-to-point trail race that starts at Crawford Reservoir State Park and finishes in the town of Paonia along the North Fork of the Gunnison River. The event is a fundraiser for the..

Rubey Rescue Run is a 5K uphill trail race held in Aspen, Colorado. The course climbs Buttermilk Mountain, starting near the base at Buttermilk Mountain Lodge and gaining about 1,700 feet to the Cliff House, offering a timed competition and sweeping views of the Maroon Bells. Participants may run wi..

Sage Burner Trail Race is held at Hartman Rocks Recreation Area in Gunnison, Colorado. The event date is Saturday, October 11, 2025. Distances offered include: 50K 28K 15K The event location features high desert terrain with sage brush and 360 degree views of the Maroon Bells, the San Juan Mounta..

Kessel Run Ultra takes place in Fruita, Colorado, just a short drive from the Front Range. The event offers five distance options: 50 Miler, 40 Miler, 50k, 20 Miler, and 10 Miler. It’s promoted as a Racecation Adventure and is renowned for world-class single-track in Fruita, with trails that reward..

Gothic Mountain Tour takes place in Crested Butte, Colorado. It features two ski races: a 23.5-mile competitive course and a 17.85-mile recreational route around Gothic Mountain, finishing on the Crested Butte Nordic trail system at the Magic Meadows Yurt. The course begins in Crested Butte (competi..

The Desert Rats Trail Running Festival will take place in Fruita from Friday 10 April 2026 to Sunday 12 April 2026. You can run between 9 and 100 kilometers.

The Pilgrimage is an ultramarathon-style event held in Mack, Colorado, in the high desert of western Colorado, on May 3, 2026. It features five color-coded routes (Green 6.7 mi; Orange 11.3 mi; Red 11.9 mi; White 12.6 mi; Blue 12.8 mi), totaling about 55 miles per journey, with a 150-hour limit to c..

San Juan Solstice 50 Mile Run is an ultramarathon scheduled for June 20, 2026. The event features a 50-mile course, with a dedicated course info page and an alternate course option, underscoring a challenging yet community-focused atmosphere. Entry is lottery-based with a cap of 300 runners; selecte..

Imogene Pass Run is an annual race. The 53rd running is scheduled for Saturday, September 12, 2026. The organizer posts registration opening information; the registration date opening will be posted early in 2026. The event website provides a training guide, a course description, maps, aid station..