High Five 100 - Lake City, CO

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 an ultramarathon scheduled for June 20, 2026. The event features a 50-mile course, with a dedicated course info page and an alternate course option, underscoring a challenging yet community-focused atmosphere. Entry is lottery-based with a cap of 300 runners; selecte..

The John Cappis is a challenging endurance peakbagging event held near Silverton, Colorado, featuring a roughly 50k course with about 19,000 feet of elevation gain. Participants summit multiple peaks in the rugged San Juan Mountains, navigating an unmarked, mostly off-trail route with elevations ran..

The event includes three distances: 50K Marathon (about 26.8 miles) 8 Miler (about 8.4 miles) The 50K and marathon run a loop on the Alpine Loop jeep roads in the San Juan Mountains. Runners pass historic ghost mining towns including Howardsville, Eureka, Animas Forks, and Gladstone. The course r..

The Kendall Mountain Runs take place in Silverton, Colorado on Sunday, July 19, 2026. This is the 45th annual running of the event, which traces its origins to a local wager in 1908 and was established as an annual race in 1978. The event is organized by Aravaipa Running and uses downtown Silverton..