Trail Running calendar near Gunnison 2026-2027

A technical mountain race in the San Juan Mountains above Telluride, Colorado, with multiple long courses and sections above 13,000 ft. Rocky, steep and exposed terrain requires prior mountain running experience.

Trail races in Arrowhead, Colorado on August 22, 2026 include a 13.3 mile half marathon with 2,844 ft of climbing and a mostly downhill 5.6K. Courses run mostly on single track and finish at Arrowhead Village with awards and post race food.

The Ouray 50 mile run in Ouray, Colorado is a high elevation mountain course with 23,582 feet of climb, mandatory volunteer service or a $100 opt out, live SPOT tracking, and drug tested cash prizes for top finishers.

A 40 mile point to point mountain ultramarathon from Crested Butte to Aspen across the Elk Mountains with over 6,000 feet of climb, organized as a fundraiser for Crested Butte Nordic and requiring specific backcountry gear.

The The Sneffels Round will take place in Ouray on Saturday 5 September 2026.

Trail races of 50K, 22, 12 and 2 miles around Creede, Colorado on Sep 5, 2026. Courses include high elevation sections on the Continental Divide and loops through the Historic Mining District.

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 women's trail running event in Buena Vista, Colorado offering a Half Marathon and a 10k on mountain trails with views of the Collegiate Peaks and the Arkansas River. Organized by Trail Sisters to increase women’s participation in trail ru..

A trail race on Meadow Mountain in Minturn, Colorado offering an 11K and a 5K route across singletrack and meadows with stream crossings, scenic mountain views, on-course aid stations, and finish-line t-shirts and refreshments.

A fall mountain event on September 13, 2026 featuring a 25K loop past Crystal Mill, an 8 mile Quarry Climb, and a 2.5K kids run, with a post-race BBQ and proceeds benefiting Marble Charter School.

A 13 mile mountain trail run in Ouray, Colorado on September 19, 2026, held as a fundraiser for the Ouray School. The course starts and ends at Fellin Park, has limited water stations, and packet pickup is offered the day before and race mo..

A 5k fundraiser in Telluride on the morning of Saturday, September 19 that supports the Telluride Adaptive Sports Program. The route starts and ends at Elks Park with river trail views and post-race music, beer and yoga.

Experience the mountain ridges and meadows of Gunnison National Forest at the Crested Butte Ultra. Choose between 35K, 55K, and 50 mile distances on single track trails with stunning fall foliage.

Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.

A high altitude trail half marathon near Telluride on September 26, 2026, covering about 13 miles of mostly singletrack through aspen woods, finishing in town with stocked aid stations and required alpine gear.

A scenic half marathon from Fanny Hill in Snowmass along the Government Trail through Aspen groves to Koch Lumber Park in downtown Aspen. Registration opens April 28, 2026; in store $80, online $105.

A high alpine 50k near Mount Princeton in Nathrop, Colorado, featuring 7,000 ft of climbing and a 13,100 ft high point. The course follows Chalk Creek Canyon and the Colorado Trail through ponderosa and aspen forests to an alpine plateau.

A fall trail event in Buena Vista, Colorado on September 27, 2026 offering a 14K trail race with over 500 feet of elevation gain and a 5K along the Arkansas River. Both races start and finish at Vendor Village near the Eddyline Beer Garden.

Trail races of 50K, 28K, and 15K through Hartman Rocks near Gunnison Colorado featuring slickrock, singletrack and wide mountain views. The event includes participant swag and partnerships supporting youth and womxn trail running.

A point to point trail event in Colorado on October 3, 2026 offering a marathon and a 30K that climb to Inter-Ocean Pass before descending into Paonia. Proceeds fund Nature Connection summer camp scholarships.