Trail Running calendar near Marble 2026-2027

A 13-mile mountain trail run in Ouray, Colorado on September 19, 2026, starting and ending at Fellin Park. The race is a fundraiser for Ouray School, includes packet pickup, limited water stations, and awards for top finishers.

A mountain ultramarathon in Crested Butte, Colorado on September 26, 2026, offered in 35K, 55K and 50 mile distances. Courses run through Gunnison National Forest with single track trails, alpine meadows, cupless aid stations, and on course..

Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.

A scenic half marathon from Fanny Hill in Snowmass along the Government Trail through Aspen groves to Koch Lumber Park in downtown Aspen, presented by ACG and hosted by the Ute Mountaineer and the City of Aspen each late September.

A point to point trail race from Vail to Minturn with 26K and 14K courses across Vail Mountain. Both routes feature alpine singletrack, scenic views of Mt. Holy Cross, staffed aid stations and a post race lunch voucher.

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..

A high alpine 50k near Nathrop Colorado that follows the Colorado Trail, reaches about 13,100 ft, and covers roughly 33 miles with 7,000 ft of ascent. The race is organized by Freestone Endurance on permitted public lands.

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.

A trail event in Hartman Rocks, Gunnison, Colorado featuring 50K, 28K, and 15K routes across slickrock, singletrack, and doubletrack with wide mountain views and event gear for participants.

A point to point trail marathon and 30K on October 3, 2026, from Crawford State Park to Paonia. The event raises funds for the Nature Connection Summer Camp Scholarship Fund and includes shuttle service and on site packet pickup.

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 Aspen event with a timed 3.5 mile trail run and a 1 mile walk, pet-friendly course through Marolt foot path and Moore open space, water stations, costume prizes, raffle prizes, food trucks, and proceeds to the Aspen Anima..

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..

Trail marathon, half marathon, a 2 mile race and a kids 400 meter run take place in Salida CO on March 13 2027, on dirt roads and narrow single track at 7000 to 9000 feet, with limited entries and local charity support.

A trail running event in Buena Vista on May 30, 2027, offering marathon, half marathon, and 9k distances and supporting local nonprofits during CKS Paddlefest.