Trail Running calendar near Buena Vista 2026-2027

A *5K* trail run on Town of Breckenridge Trails that finishes at Blue River Plaza on Main Street during Breckenridge Oktoberfest. Field limited to 300 runners; first 250 registrants receive a long-sleeve technical tee and 21+ entrants get a..

OUTLAST Colorado Springs is a 6 hour trail challenge with a 5K lap every hour for six rounds. Patches and a medal are awarded for laps completed and finishers are ranked on a national leaderboard with cash prizes for top times.

A high alpine 50k near Mount Princeton in Nathrop, Colorado, featuring 7,000 ft of climbing and a 13,100 ft high point. The course follows Chalk Creek Canyon and the Colorado Trail through ponderosa and aspen forests to an alpine plateau.

A fall trail event in Buena Vista, Colorado on September 27, 2026 offering a 14K trail race with over 500 feet of elevation gain and a 5K along the Arkansas River. Both races start and finish at Vendor Village near the Eddyline Beer Garden.

Trail races of 50K, 28K, and 15K through Hartman Rocks near Gunnison Colorado featuring slickrock, singletrack and wide mountain views. The event includes participant swag and partnerships supporting youth and womxn trail running.

A weekend trail running festival at Bear Creek Lake Park offering 100K, 50M, 50K, half marathon, 10K and 5K on mostly singletrack terrain with looped courses, aid stations, drop bags, and controlled crew and pacer rules.

A Woodland Park trail event featuring 50k and 10k options on singletrack and forest roads with views of Pikes Peak, stocked aid stations, and crew access for the 50k.

Multiple race distances run near the Royal Gorge Bridge, including a 5K road run, an 8 mile trail race and a 13.1 mile half marathon, plus a free kids Dinosaur Dash and a virtual race option.

A multi distance trail festival in Castle Rock featuring a family adventure run plus 5K, 10K, half marathon and 50K ultramarathon across Philip S. Miller Park and Ridgeline Open Space. Events include chip timing, finisher medals and aid sta..

The Camp 4 Coffee Cart to Cart Trail Race will take place in Crested Butte on Saturday 3 October 2026. You can run between 10 and 19 miles.

A Halloween themed 6K trail run and walk in Aspen that welcomes dogs, offers timed results with cash prizes and costume awards, and donates net proceeds to the Friend of the Aspen Animal Shelter.

A four-race trail series in Colorado Springs with distances that increase each round and varied terrain from grass fields to rocky single track. Chip timing is used and series awards require finishing all four races.

A fall trail race at Staunton State Park offering 50K, 25K, a 25K FishSlappers division, and a steep 5K, run on runnable singletrack with aid stations and fundraising for land and water conservation.

An annual trail running event in Sedalia, Colorado offering 50-mile, 55k, 15-mile and 5-mile courses through montane forests, aspens, and red rock viewpoints, with limited camping, aid stations, and specific mid-race drop down and pacer rul..

A set of trail races at Palmer Park in Colorado Springs offering 50K, 25K, 10K and 5K courses with urban mountain views, marked single-track and aid station support on the longer distances.

A four-race trail series in Colorado Springs with distances that increase each round and varied terrain from grass fields to rocky single track. Chip timing is used and series awards require finishing all four races.

Methodist Mountain Ultra The Methodist Mountain Ultra (MMU) is a trail race set on the Methodist Mountain trail system near Salida, Colorado. It takes place at the northern end of the Sangre de Cristo mountains. The event features two dista..

A single loop trail event in Cañon City with 35 mile and shorter options that follow the Arkansas River, climb to 7,109 feet for Royal Gorge and Pikes Peak views, and feature well stocked aid stations and crew access.

Trail races at Bear Creek Lake Park in Lakewood CO offering 5 km, 15 km, a 5 plus 15 double, and a kids 1 km with a stuffed bear for finishers. Courses are mostly dirt, single and double track, and fully marked.

A four-race trail series in Colorado Springs with distances that increase each round and varied terrain from grass fields to rocky single track. Chip timing is used and series awards require finishing all four races.