Trail Running calendar near Lake City 2026-2027

A 15 mile mountain trail run on August 1, 2026 that climbs about 3,100 feet and reaches over 12,000 feet at Kennebec Pass. The course offers alpine terrain and views of the Animas and Dolores River valleys while supporting La Plata County S..

The High Five 100 - Lake City, CO will take place in Lake City on Friday 7 August 2026. You can run 100 miles.

A mountain 100 mile ultramarathon near Durango Colorado covering about 104 miles and 19,000 ft of climbing, on high alpine trails with required safety gear and satellite tracking.

Point-to-point half marathon, out-and-back 10K, and a 1-mile kids run in Ouray and Ridgway, Colorado, supporting the Mt Sneffels Education Foundation.

A 200 mile mountain loop race around the La Garita range starting and finishing in South Fork, CO featuring high alpine tundra and forested mountain parks.

Mountain races in the San Juan Mountains around Telluride with five technical routes up to 65 miles and sections above 13,000 ft.

A high elevation 50 mile mountain ultramarathon in Ouray, Colorado with 23,582 feet of gain, required volunteer service, SPOT tracking, and drug tested podium prizes.

A 40 mile point to point mountain ultramarathon from Crested Butte to Aspen with over 6,000 feet of elevation gain and mandatory backcountry gear; a fundraiser for Crested Butte Nordic.

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

Trail races through Creede Colorado's San Juan Mountains offering 2 Mile, 12 Mile, 22 Mile and 50K routes on high elevation terrain with exposed alpine sections.

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.

Mountain trail and road races in Marble, Colorado featuring a 25K Lead King Loop, an 8 mile Quarry Climb, and a kids 2.5K with proceeds to Marble Charter School.

13 mile mountain trail run in Ouray, CO on September 19, 2026; a fundraiser for the Ouray School with cupless water stations and packet pickup before the race.

A 5 km fundraiser in Telluride supporting the Telluride Adaptive Sports Program. The downtown route climbs the river trail past Bridal Veil Falls and returns to Elks Park, finishing with live music, free beer and yoga.

A mountain ultramarathon in Crested Butte, Colorado on September 26, 2026, offered in 35K, 55K and 50 mile distances. Courses run through Gunnison National Forest with single track trails, alpine meadows, cupless aid stations, and on course..

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 cross-country meet at Reservoir Hill in Pagosa Springs with middle school 3K and high school 5K races on hilly forest roads and single-track trails. Ribbons go to the top 10 and team awards for top high school teams.

A 12 Mile uphill trail race at Purgatory Resort in Durango, Colorado on September 26, 2026. The single track course climbs from the base to the summit and concludes with a post race celebration including food and beer.

Trail races of 50K, 28K, and 15K at Hartman Rocks Recreation Area near Gunnison Colorado featuring varied terrain and broad mountain views.

A point-to-point trail marathon and 30K in Colorado’s North Fork Valley at peak fall color, with mountain climbs to Inter-Ocean Pass and proceeds funding summer camp scholarships.