Ouray 100 Mile Endurance Run

The Sky Pilots Ouray Backyard Ultra is a unique running event taking place in Ouray, Colorado. Participants tackle a 4.167-mile course, with the challenge of completing each lap within an hour to continue racing. The event continues until only one runner remains, who must complete one additional lap..

The San Juan Solstice 50 Mile is an ultramarathon held annually in Lake City, Colorado, around the summer solstice. Established in 1995, the race benefits Lake City EMTs and features a challenging course through high mountain terrain, including creek crossings and snowfields. The event attracts arou..

The John Cappis is a challenging mountaineering event held in Silverton, Colorado, honoring John Cappis, a co-founder of the Hardrock 100. Participants tackle an unmarked, off-trail course that spans approximately 50 kilometers with a staggering elevation gain of 19,000 feet, navigating rugged terra..

The Hardrock 100 is a challenging 100-mile ultramarathon held in the San Juan Mountains of Colorado. It features approximately 66,000 feet of elevation change, with an average elevation of over 11,000 feet and peaks exceeding 14,000 feet. The race traverses rugged terrain, including dirt trails, 4WD..

The Silverton Alpine Marathons, taking place in Silverton, Colorado, offers an exhilarating trail running experience through the stunning San Juan Mountains. Participants can choose from three distances: a 50K, a marathon (approximately 26.7 miles), and an 8-mile run. The courses traverse historic m..

The Kendall Mountain Run, taking place in Silverton, Colorado, is a challenging running event featuring a 12-mile race and an 11K option. Participants will ascend from 9,318 feet to the summit of Kendall Mountain at 13,066 feet, culminating in a thrilling scramble for breathtaking views of the San J..