Trail Running calendar near Grand Mesa 2026-2027

A multi day trail running festival in Fruita, Colorado featuring four distances, desert singletrack and vistas of the Colorado River. The 100 KM offers a Western States qualifier and several races award UTMB Index running stones.

A 150 hour timed ultra near Mack, Colorado with five zero pavement routes per Journey and separate crewed and uncrewed divisions. Runners must complete at least four Journeys to place.

Experience a weekend of desert backcountry racing in Fruita with trail running, mountain biking, and gravel events. Join the community at 18 Road for competitive races, skills clinics, and outdoor festivities.

Experience a scenic 13.8 mile singletrack loop through the stunning North Fruita Desert. Enjoy flowy trails and desert mesa views as part of a vibrant outdoor adventure festival weekend in Colorado.

Run the Sky Pilots Ouray Backyard Ultra in Fellin Park, completing a 4.167 mile loop each hour until one runner outlasts the field. Enjoy riverside trails, mountain views near 7,700 feet and shared aid.

Trail races in Eagle, Colorado on May 16, 2026 offering a **14K** and **6K** on mostly single-track with notable elevation gain, finish-line food, aid stations with Skratch hydration, and awards plus an afterparty at Capitol Public House.

Challengers tackle a 6 mile climb gaining 2000 feet of elevation to reach the South Rim of the Black Canyon. Choose between a timed run or a scenic walk ending with a mountain breakfast and park views.

Experience the beauty of the Roaring Fork Valley with a point-to-point trail race from Carbondale to Basalt. Choose between 10-mile and 28k distances featuring iconic single track trails and a festive finish at Rock Bottom Ranch.

The Pyro's Push It Up River Trail Run will take place in New Castle on Monday 25 May 2026. You can run 8 kilometers.

Experience trail running in the Colorado Rockies at Snowmass Village. Choose between a single 6.6 mile loop or endurance challenges of 6 and 24 hours while enjoying mountain views and a village festival atmosphere.

A 50 mile mountain trail run in Lake City, Colorado on June 20, 2026 held as a benefit for Lake City EMTs. The course includes high alpine terrain with snowfields and creek crossings and requires prior ultra experience and a registered trac..

A series of trail races at Sunlight Mountain Resort in Glenwood Springs, Colorado, held across multiple dates in 2026. The course is mostly singletrack with significant elevation change and a water only aid station on the run.

Experience Crested Butte's oldest trail challenge with 15k and 25k runs or a technical 25k mountain bike race. Navigate scenic singletrack and alpine ridges finishing with a post race brunch.

A 100 mile mountain ultramarathon in Ouray, Colorado, featuring about 41,862 feet of elevation gain and 14 climbs. Entrants must complete volunteer service or pay a $100 opt out; top finishers face drug testing for cash prizes.

A mountain trail race at Powderhorn Mountain Resort on July 18, 2026 offering a steep 5K with over 1,500 feet of climb and a 15K that repeats the ascent. Registration includes resort entry, shirt, finisher item, food, and a lift pass.

Experience the mountain trails of Aspen Snowmass with three distinct race distances. Runners can choose between a 50K trek across four mountains a 25K trail run or a 10K course starting from the Elk Camp Gondola.

Grand Mesa Ultras on July 25, 2026 offers 50 mile, 55K and 30K trail races on high elevation mountain terrain with camping options, finisher awards, cash prizes, a raffle, food and beer.

Mountain trail races in Telluride, Colorado offering a high alpine 30K with about 5,800 ft of gain and a 10 mile with about 3,500 ft of gain, both on mixed double track and singletrack with alpine views.

Experience high alpine trail running in the scenic mountains surrounding Aspen. Choose between 50K, marathon, or heavy half marathon distances on dirt trails ending at a vibrant finish line festival.

A self guided 100 Miler around Lake City, CO that requires visiting 24 proof points and checkpoints in order. The course is unmarked and unsupported and must be completed within 48 hours.