Trail Running calendar near Glenwood Springs 2026-2027

Run high alpine trails around Steamboat Springs on August 29, 2026 with choices of 50K, 16 mile and 5 mile courses, featuring big climbs and stunning mountain views. Proceeds support the Trail Maintenance Endowment Fund and the race is cupl..

Run 40 miles across the Elk Mountains from Crested Butte to Aspen along the Grand Traverse route with more than 6,000 feet of climbing. A fundraising point to point ultramarathon with aid stations and a post race shuttle.

Run the Cirque Series at Arapahoe Basin: a scenic 9.4 miles with 2,211 ft of climbing on high alpine trails around Montezuma and Little Lenawee. Finish in Mountain Goat Plaza with live music, food, and festival vibes.

The 10,000 Feet 10k will take place in Steamboat Springs on Sunday 6 September 2026. You can run between 5 and 10 kilometers.

Run Rabbit Run in Steamboat Springs Colorado is a trail ultramarathon with 100 mile and 50 mile courses through Routt National Forest and scenic peaks. Limited entries and a charity focus make it a bucket list event for adventurous ultrarun..

Tackle high alpine single track and ridgeline trails at the Crested Butte Ultra in Colorado, with 50 mile, 55K, and 35K options for every level. Expect stunning mountain views, challenging climbs, and a finisher buckle and swag.

Take on the Sage Burner Trail at Hartman Rocks, Gunnison, Colorado on Oct 3, 2026 with 50K, 28K and 15K routes over slickrock and singletrack. Soak up high desert views, earn a finisher medal and support Gunnison Trails.

Point to point trail marathon and 30K through the West Elk Mountains in North Fork Valley, Colorado. The event supports the Nature Connection Scholarship Fund and includes shuttle service, packet pickup, and a post race gathering.

Run the Rubey Rescue Run, a challenging 5K uphill trail in Aspen that climbs to the Cliff House with sweeping Maroon Bells views. Timed and dog friendly, the October race raises funds for the Aspen Animal Shelter.