Trail Running calendar near Edwards 2025-2026

The Byers Peak Stampede Half Marathon & 5K Run is an exciting running event set in the stunning Rocky Mountains, just 60 miles from Denver. Scheduled for August 23, 2025, the event features a challenging half marathon and a 5K, catering to athletes of all levels. The courses primarily traverse dirt..

The Staunton Rocks! Marathon and Half Marathon, scheduled for August 23, 2025, takes place in the scenic Staunton State Park, located in Colorado's Front Range Mountains. This event features a challenging yet accessible course, primarily on singletrack trails, allowing participants to enjoy breathta..

The Continental Divide Trail Run is a trail racing event held in Steamboat Springs, Colorado, on August 23, 2025. It offers three race distances: a 5-mile, a 16-mile, and a 50K ultramarathon. The courses feature scenic views of aspen and pine forests, with significant elevation gains—over 3,500 feet..

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 10k @ 10,000 Feet is a renowned trail running event held in Steamboat Springs, Colorado, celebrated for its stunning mountain scenery. This challenging race features a 10k course, which is actually 6.8 miles, and a 5k option, both starting at the summit of Rabbit Ears Pass. Participants navigate..

Devil on the Divide is a challenging trail running event held in Empire, Colorado, featuring two race distances: a 50K and a 22K. Participants will experience breathtaking views of Clear Creek County and the Continental Divide, with the 50K course reaching altitudes over 13,000 feet and climbing mor..

The Cirque Series - Arapahoe Basin is a challenging mountain running event set for September 6, 2025, in Keystone, Colorado. Participants will tackle a 9.4-mile course with an elevation gain of 2,411 feet, starting at 10,780 feet. The race features three divisions: Sport, Expert, and Pro, catering t..

Run Rabbit Run is an annual ultramarathon held in Steamboat Springs, Colorado, featuring 50 and 100-mile races through scenic mountain terrain. The event showcases challenging courses with significant elevation gains, including climbs over Mount Werner and Emerald Mountain. The 100-mile race offers..

The Breckenridge Oktoberfest 5K is an exciting running event that kicks off the annual Oktoberfest celebration in Breckenridge, Colorado. Set against the stunning backdrop of the changing aspens and beautiful mountain scenery, this 5K trail run takes participants through the picturesque Town of Brec..

The Ned Ned Half Marathon is a longstanding trail running event held in Nederland, Colorado, celebrating its 43rd year. Participants can choose from a half marathon, 10K, or 5K race, with courses winding through scenic dirt roads and single-track trails in the Colorado mountain town. The event is fa..

The Meadowgold 5k &10k will take place in Minturn on Saturday 13 September 2025. You can run between 5 and 11 kilometers.

The Snow Mountain Ranch Trail Race is a scenic trail running festival held in Granby, Colorado, featuring multiple race options including a 50K, 33K, half-marathon, 10K, and 5K. The courses wind through the picturesque Snow Mountain Ranch, offering challenging terrain with significant elevation gain..

The Crested Butte Ultra is a scenic trail running event held in Crested Butte, Colorado, featuring distances of 50 miles, 55K, and 35K. Runners traverse the stunning Gunnison National Forest, experiencing diverse terrain including mountain meadows, ridges, and wildflower-filled lower elevations. The..

The Golden Leaf Half Marathon will take place in Aspen on Saturday 27 September 2025. You can run 13 miles.

The Emerald Mountain Trail Run is a scenic running event taking place in Steamboat Springs, Colorado, featuring two race distances: a 12k (approximately 7.75 miles) and a 4-mile run. The course begins at the base of Howelsen Hill and winds through beautiful aspen-lined single tracks, making it a pic..

The West Line Winder is a scenic trail running event held in Buena Vista, Colorado, featuring both 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 runners..

The Sawatch Ascent is a challenging 50k running event 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..

Rocky's Backyard Ultra is an exciting ultra trail running event held at the YMCA of the Rockies in Estes Park, Colorado. This unique race format challenges participants to complete a 4.167-mile loop every hour until only one runner remains. The course features stunning Rocky Mountain scenery, with a..

The Bear Chase Race is an endurance festival held at Bear Creek Lake Park in Lakewood, Colorado, featuring a variety of race distances including 100K, 50 Mile, 50K, Half Marathon, 10K, and 5K. Scheduled for October 4-5, 2025, this event is ideal for both novice and experienced trail runners, offerin..

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 a variety of terrains, including technical slickrock and smooth singletrack, making it a..