Trail Running calendar near Telluride 2026-2027

An uphill community foot race from Telluride to San Sophia ridge via the Telluride Trail, featuring about 1,800 feet of climb and proceeds that support the Good Neighbor Fund. Awards are given by age and gender.

A 100 mile loop around Silverton, Colorado, across 4WD roads, dirt trails and cross country in the San Juan Mountains. The course covers 66,882 feet of elevation change with an average elevation of 11,186 feet.

A trail event at the Crested Butte Nordic Center featuring a 15 km out and back run, a 25 km loop run, and a technical 25 km mountain bike race with alpine climbs and a Green Lake checkpoint.

A 100 mile mountain ultramarathon in Ouray, Colorado on July 17, 2026, featuring about 41,862 feet of elevation gain and fourteen climbs. Entrants must complete eight hours of volunteer service or pay a $100 opt out fee and winners face dru..

Mountain trail races in Silverton, Colorado on July 18, 2026. Distances include a 50K, a marathon and an 8.4 mile out and back that run on Alpine Loop and Kendall Mountain jeep roads near California Pass.

A mountain road race in Silverton, Colorado on July 19, 2026 featuring a 12-mile summit route and an 11K out-and-back. The event includes jeep road climbs, a final scramble, aid stations, a cupless policy, and a six-hour time limit.

Creede 50 and 100 take place in Creede on July 25 and 26, 2026, offering 50 mile and 100 mile courses organized by Tempest Adventures. The event site provides runner information, course details, crew and pacer guidance, and support resource..

Grand Mesa Ultras on July 25, 2026 in Grand Mesa, Colorado offers 50 Miler, 55K and 30K trail races across high alpine terrain with camping, awards, a post race raffle, and on site food and beer.

High altitude mountain trail races in Telluride on July 25th 2026, featuring a 30K with about 5,800 ft of gain and a 10 mile with about 3,500 ft, mainly on technical alpine singletrack and double track.

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..

A self-directed 100 mile challenge from Lake City, CO that requires visiting 24 ordered proof points and checkpoints. The route is unmarked and unsupported, has about 40,000 feet of elevation gain, and a 48 hour cutoff.

A high-elevation 100 mile mountain ultramarathon near Durango, Colorado on August 14, 2026, covering roughly 104 miles with about 19,000 feet of climbing, staffed aid stations, required safety gear, satellite tracking, and a 38 hour cutoff.

A 200 mile loop race through the La Garita mountains around South Fork, CO, reaching elevations just under 13,000 feet. Organized by Tempest Adventures, registration closes Aug 1 and the listed entry fee is 1268 USD.

A technical mountain race above Telluride, Colorado, with five route options across mining roads, singletrack and alpine tundra. Courses climb to elevations above 13,000 ft and focus on the high-elevation trail experience.

A high elevation 50 mile mountain race in Ouray, Colorado on August 29, 2026. The course has 23,582 feet of climbing, required pre race volunteer service or a $100 opt out donation, and mandatory tracked location reporting.

A 40-mile point-to-point ultramarathon from Crested Butte to Aspen across the Elk Mountains with over 6,000 feet of climbing, five aid stations, mandatory backcountry gear and mandatory tracking; proceeds support Crested Butte Nordic.

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

Trail races in Creede, Colorado on September 5, 2026, offering 50K, 22 mile, 12 mile and a 2 mile fun run, with mountain and historic mining district terrain and set course cutoffs.

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 13 mile mountain trail race in Ouray, Colorado on September 19, 2026 that starts and finishes at Fellin Park. The event raises funds for the Ouray School and features aid stations and awards for top finishers.