Trail Running calendar near Grand Mesa 2026-2027

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 trails of Crested Butte and the Gunnison National Forest. Choose from 50-mile, 55K, or 35K distances. This late September event offers mountain meadows, ridges, and vibrant fall colors.

Experience a spectacular 13-mile trail run through the golden Aspen woods near Telluride. This high-altitude course starts near the airport and finishes in town, featuring mostly singletrack. Prepare for a semi-technical mountain adventure..

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.

The Sage Burner Trail Race winds through the high desert landscape of Hartman Rocks near Gunnison. Runners face a mix of slickrock, singletrack, and punchy climbs. After the run, a community chili meal celebrates the effort, with support go..

The West Elk Challenge is a point-to-point trail marathon and 30K through Colorado's North Fork Valley at peak fall colors. Runners climb to Inter-Ocean Pass on a course of gravel roads and singletrack. All proceeds fund summer camp scholar..

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.

The Kessel Run Ultra offers five trail distances through the North Fruita Desert. The course features flowing singletrack and views of the San Juan Mountains. It's a cupless event with race shirts and finisher medals for all participants.