Trail Running calendar near South Fork 2026-2027

An unmarked 100 miles mountain challenge around Lake City with 40,000+ ft climb, five 14ers, a 48 hour cutoff, and a committee application process, August 7 to 9, 2026.

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.

Scenic road races in Ouray and Ridgway on August 15, 2026 featuring a Half Marathon, 10K and Kids Fun Run with medals and awards.

A 200 mile loop race through the La Garita mountains, starting and finishing in South Fork, CO, with a short out and back section and high points near 13,000 feet.

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.

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.

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 multi distance trail and ultramarathon festival on the Rainbow Trail near Westcliffe, Colorado on September 26 and 27, 2026, featuring races from 8 miles to 100 miles, aid stations, drop bags, camping, and defined crew and volunteer rules..

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.

Methodist Mountain Ultra The Methodist Mountain Ultra (MMU) is a trail race set on the Methodist Mountain trail system near Salida, Colorado. It takes place at the northern end of the Sangre de Cristo mountains. The event features two dista..

Trail marathon, half marathon, a 2 mile race and a kids 400 meter run take place in Salida CO on March 13 2027, on dirt roads and narrow single track at 7000 to 9000 feet, with limited entries and local charity support.

A 100 mile ultramarathon around Silverton Colorado through high alpine terrain with about 66,882 feet of total elevation change.