Trail Running calendar near Snowmass Village 2026-2027

Trail ultras of 50 miles, 55K and 30K on Grand Mesa in Colorado with mountain single track, alpine meadows and lakes. Camping options are available and the event includes cash prizes, finisher awards and post race amenities.

A non repetitive 200 mile loop around Summit County Colorado that reaches high alpine elevations above 9000 feet. The field is limited to 75 runners, with live GPS tracking, aid and sleep stations, and a 110 hour cutoff.

High-elevation trail and ultra races around Fairplay, Colorado, with 50 Mile, 50k and Half Marathon options, technical and remote terrain, aid stations, drop bags, pacer rules, and a 16 hour time limit.

A trail running event in Aspen on August 1, 2026 offering 50K, marathon and heavy half marathon distances on mostly dirt trails, with remote aid stations, high alpine terrain and a finish line festival alongside the Duck Derby.

The Winter Park 50K offers a scenic point-to-point mountain run starting at Winter Park Resort in Colorado. Runners experience a mix of singletrack trails, forest paths, and dirt roads before finishing in town. Aid stations and finisher awa..

The Buena Vista Pack Burro Race offers a unique running experience in Colorado. Participants can choose a long or short course, racing either with or without a burro. The event includes finisher gifts, a meal, and awards for top finishers.

A trail race on the Frisco Peninsula offering 5k, 10k and half marathon courses with lakeshore finishes, chip timing, stocked aid stations, post-race food and beer, and marked single track and dirt trails.

The Leadville Trail 10K Run takes place in August 2026. This out-and-back 10k course shares the start and finish of the famous Leadville Trail 100 Run, traveling on paved and dirt roads high in the Colorado mountains. It features one aid st..

A 99.7 mile out and back ultramarathon in Leadville, Colorado, with 11 aid stations, high altitude passes near 12,526 feet, and belt buckle cutoffs at 25 and 30 hours.

Trail races in Fraser, Colorado on August 22, 2026, offering a Half Marathon and a 5K on unpaved roads and trails. Proceeds support the Shining Stars Foundation and dogs are allowed on leash.

A trail half marathon and a mostly downhill 5.6K through Arrowhead, Bachelor Gulch and Beaver Creek. The half covers 13.3 miles with about 2,844 feet of ascent, aid stations on course, postrace food, t shirts and age group awards.

A 40 mile point to point mountain ultramarathon from Crested Butte to Aspen across the Elk Mountains, the Grand Traverse follows the backcountry ski route and raises funds for Crested Butte Nordic while providing mandatory backcountry gear..

A mountain trail race at Arapahoe Basin on September 5, 2026 covering *9.4 miles* and *2,211 ft* of ascent, with Sport, Expert and Pro divisions, a 700 runner cap, on course aid stations and category prizes.

Point-to-point trail race in Empire, Colorado with 50K and 22K options, both on dirt single-track and reaching above 13,000 feet. Prior ultra experience is required for the 50K and cut-off times are enforced.

This women's trail running event in Buena Vista, Colorado offers a half marathon and a 10k through scenic Rocky Mountain terrain. The course winds through sagebrush and pines with views of the Collegiate Peaks. It fosters a supportive commu..

A trail ultramarathon in Crested Butte, Colorado offering 35K, 55K and 50 mile courses through Gunnison National Forest, with cupless aid stations, downloadable course files, and on site packet pickup at the community school.

A trail running event in Buena Vista, Colorado offering 50k and 30k courses on high elevation singletrack and forest roads with views of the Collegiate Peaks. The event is organized by Freestone Endurance and hosted alongside 14er Fest.

A high-alpine 50k near Nathrop, Colorado that climbs to 13,150 feet and covers about 33 miles with roughly 7,000 feet of ascent. The route features long singletrack sections, three aid stations, camping options, and an 11 hour cutoff.

A trail race at Hartman Rocks near Gunnison, Colorado, offering 50K, 28K and 15K options on slickrock, singletrack and doubletrack. The course features rolling hills, a high desert climate, and wide mountain views.

A point to point trail event in Colorado offering a full marathon and a 30K route through forests, aspen slopes, and mountain passes during peak fall color, with aid stations and shuttle service.