Trail Running calendar near Gunnison 2026-2027

Collegiate Peaks Trail Run in Buena Vista, Colorado offers 25-mile and 50-mile loop options on single-track and jeep trails. Each loop starts near 8,000 feet and includes over 3,500 feet of elevation gain and loss.

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.

Kick off the trail running season in Eagle, Colorado, with a 14K or 6K race through scenic pinyon groves and single track trails ending with a festive afterparty.

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.

Celebrate Memorial Day weekend with the Spirit Trail Race in Buena Vista, Colorado, a scenic trail event with marathon, half marathon and 9k options. Start in town square, enjoy Paddlefest fun, and support local nonprofits.

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.

A 20K run clockwise around Turquoise Lake near Leadville, CO, mixing 6.5 miles of hilly paved road with 5.5 miles of single track trail, with proceeds supporting Leadville youth athletics and a nominal day use parking fee.

A 5K trail run at the Leadville National Fish Hatchery with a cross country style route through subalpine forest around Evergreen Lakes and lower Rock Creek. Adults $15; youth 17 and under free.

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.

Prepare for the Race Across the Sky at this three day training camp in Leadville. Run key sections of the 100 mile course alongside veteran guides and attend educational panels on nutrition and biomechanics.

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..

Celebrate the longest day of the year with a scenic trail run through Beaver Creek Resort. Enjoy blooming wildflowers and breathtaking mountain views across diverse single track and gravel courses.

A mostly off-trail mountain traverse near Silverton, CO—about 50 km with 19,000 ft ascent, unmarked navigation, limited support, and entry limited to qualified Sky Pilots members with a 19-hour cutoff.

Experience the highest trail marathon in the USA reaching 13185 feet at Mosquito Pass. Choose between a 26.4 mile marathon or a 15.46 mile heavy half through Leadvilles historic mining district and rugged high altitude terrain.

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.

A July 4 5 kilometer run or walk in downtown Leadville, with downtown bib pickup and an Independence Day parade afterward. Adult entry is $25 and youth 17 and under may enter for free, with proceeds supporting local youth athletics.

Experience high altitude trail running through historic Colorado ghost towns and mines at over 10000 feet. Choose from distances ranging from 10 miles to 100 miles in the scenic South Park Valley.

A 100 mile clockwise loop through the San Juan Mountains near Silverton, Colorado, covering about 33,000 feet of ascent and reaching over 14,000 feet. The 2026 route passes near Silverton, Lake City, Ouray, Telluride and Ophir.

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.