High Five 100 - Lake City, CO

52nd Annual Imogene Pass Run takes place in Telluride, Colorado. The challenging mountain race runs from Telluride over Imogene Pass to a finish in Telluride, with aid stations along the way. The course includes a summit at mile 10 and a Tunnel Station at mile 15.5, and organizers describe it as an..

Blisters & Brews Telluride 5k is a fundraiser race held in downtown Telluride, starting and finishing at Elks Park. The 5k course climbs the River Trail toward the Pandora Mine, offering runners views of Bridal Veil Falls, then returns the same route to finish at Elks Park. The event supports the Te..

The Ouray 50 Mile Endurance Run, held in Ouray, Colorado, is a challenging mountain ultramarathon featuring approximately 23,582 feet of elevation gain. Known for its technical and demanding trails, the course is set nearly two miles above sea level amidst stunning mountain scenery. The race is desi..

Ouray Mountain Trail Run takes place in Ouray, Colorado, on September 20, 2025, and covers 13 miles of mountainous terrain, starting and finishing at Fellin Park. A fundraiser for Ouray School, it’s hosted by PATT and the HS Outdoor Education Class to support student trips to Moab, Denver, Washingto..

Deep Creek Trail Half Marathon is a roughly 13-mile trail race in Telluride, Colorado. The course starts at the beginning of Last Dollar Road near the Telluride Airport, runs to the Deep Creek Corral, then climbs into Aspen-filled woods and follows the Deep Creek Trail back to Telluride. The mostly..

San Juan Solstice 50 Mile Run is a 50-mile ultramarathon set for June 20, 2026. The event uses a lottery-based entry with a cap of 300 runners; registration runs from January 15 to January 31. Lottery entrants are charged and confirmed, while additional applicants go to a waitlist and are not charge..