The John Cappis

The Box Canyon Trail Races in Telluride, Colorado, offer two challenging and scenic mountain runs: a 30K and a 10-mile race. The 30K is a tough loop featuring about 5,800 feet of elevation gain, passing landmarks like Bridal Veil Falls, the Smuggler-Union Hydroelectric Plant, and reaching a high poi..

The High Five 100 is an extreme ultra-endurance running challenge held in Lake City, Colorado. Covering an estimated 90 to 105 miles with over 40,000 feet of elevation gain, the course requires runners to summit five 14,000-foot peaks and six 13,000-foot peaks in the rugged San Juan Mountains. Parti..

The Telluride Mountain Run, held in Telluride, Colorado, is a demanding mountain race set in the San Juan Mountains. It offers three challenging distances: 40 miles, 24 miles, and 13 miles. The course features old mining roads, singletrack trails, alpine tundra, exposed ridgelines, and high summits,..

The Sneffels Round is a challenging mountaineering event held near Ouray, Colorado, with a 100-hour time limit. Participants choose their own routes to summit a selection of peaks from a map featuring 39 mountains, including many 13ers and the 14,150-foot Mt. Sneffels.The course covers roughly 75 mi..

The Imogene Pass Run will take place in Telluride on Saturday 6 September 2025.

The Ouray 50 Mile Endurance Run, held in Ouray, Colorado, is a challenging mountain ultramarathon featuring 50 miles of highly technical trails with an elevation gain of 23,582 feet. Set nearly two miles above sea level, the course offers stunning mountain scenery and is known for being tougher than..