Trail Running calendar near San Juan County 2026-2027

A demanding 17.1 mile mountain trail race connecting Ouray and Telluride over the high altitude Imogene Pass. This event features steep rocky terrain and strict cutoffs for prepared athletes.

A 13-mile mountain trail run in Ouray, Colorado, starting and finishing at Fellin Park. The event is a fundraiser for the Ouray School, is intended to be cupless with three water stations, and offers awards for top finishers.

A 5k fundraiser in Telluride that benefits the Telluride Adaptive Sports Program in remembrance of Felix Snow. The course starts and ends at Elks Park and the event includes post-race live music, free beer and yoga.

A roughly 13 mile trail half marathon near Telluride, Colorado, following Last Dollar Road into aspen woods along Deep Creek and returning to town, with a five hour cutoff and bib pickup options on the Friday before and race morning.

A trail race at Hartman Rocks near Gunnison, Colorado offering 50K, 28K and 15K across slickrock, singletrack and rolling terrain with wide mountain views. The event includes participant swag and partners supporting youth and womxn trail pr..

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.