Trail Running calendar near Marble 2026-2027

Experience a high altitude mountain run at Arapahoe Basin covering 9.4 miles and 2,211 feet of vertical gain. Runners summit Little Lenawee peak and finish with live music and professional photos at Mountain Goat Plaza.

Experience a scenic trail run through sage brush and ponderosa pines in the Rocky Mountains. Choose between a half marathon or 10k distance with stunning views of the Collegiate Peaks in Buena Vista.

Experience the historic landscapes of Meadow Mountain in Minturn with a technical trail race through alpine meadows and singletrack. Choose between 5K and 11K routes featuring beautiful views of the Gore Range.

Discover the scenic Elk Mountains in Marble Colorado with trail races ranging from a 25 km loop to a kids fun run. Support a local charter school while enjoying peak fall colors and a post race barbecue meal.

A 13 mile mountain trail run in Ouray, Colorado that funds the Ouray School; the course starts and ends at Fellin Park, features limited cup water stations, packet pickup before race day, and awards for top finishers.

Experience the mountain ridges and meadows of Gunnison National Forest at the Crested Butte Ultra. Choose between 35K, 55K, and 50 mile distances on single track trails with stunning fall foliage.

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.

This bucket-list half marathon runs from Snowmass to downtown Aspen on the scenic Government Trail. It sells out quickly, with registration opening each May for the late September race.

Experience a stunning point to point trail race from Vail to Minturn. Run through golden aspen groves and high alpine terrain with distances of 26K and 14K available for up to 250 participants.

Experience the autumn colors of Colorado during this scenic 5K trail run. Participants race through Breckenridge's mountain trails before finishing at a historic downtown festival featuring traditional music and food.

Experience a high alpine 50k through the Colorado Trail and Sawatch Range. This mountain course features a significant climb to 13,150 feet with panoramic views of the Arkansas River Valley and Mount Princeton.

Experience the high desert beauty of Gunnison at the Sage Burner Trail Race. Run through technical slickrock and rolling hills with panoramic views of the Rocky Mountains across three distinct distances.

Experience a point to point trail marathon through the golden aspen forests of Western Colorado. Run or hike over technical mountain passes to support local youth outdoor scholarships in this scenic backcountry challenge.

A Halloween-themed 5K run or walk in Aspen that benefits the local animal shelter. Bring your pet in costume for a chance to win prizes. The timed race offers cash prizes for top finishers and includes festive activities.

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..