Cirque Series - Arapahoe Basin

The Dynafit Vail HillClimb is a challenging trail run that starts in Vail Village and finishes at Mid-Vail, covering a distance of 7.7 miles with an elevation gain of approximately 2,233 feet. The race has been named the best trail race by Colorado Runner Magazine in the past. Participants will foll..

The Silverheels Trail Runs, part of the Human Potential Running Series, offers various distances including a 100-Mile, 100k, 50-Mile, 60k, 10-Mile, and 18-Mile options. The event takes place in Como, CO, starting at Kenosha Pass and featuring portions of the Colorado Trail and the Continental Divide..

The Summit 200 is a challenging 200-mile mountain race taking place in Summit County, Colorado. The route includes stunning hiking trails, forest roads, and sections of pavement, with altitudes ranging from over 9000 feet to over 12,700 feet. With over 40,000 feet of elevation gain and loss, this ra..

The Sheep Mountain Ultras is an annual trail run event taking place on August 3, 2024, in Fairplay, CO. The event offers three distances: 50-Mile, 50k, and Half Marathon, with a time limit of 16 hours and a runner capacity of 300. Participants can expect a challenging course with an average elevatio..

The Dynafit Berry Picker Trail Run is a challenging 4.6-mile uphill race starting at the base of Gondola One in Vail Village, CO. With an average grade of 14 percent, runners will tackle singletrack and doubletrack terrain before finishing at Mid-Vail. The race features an elevation gain of approxim..

The Run the Rockies Trail 5k, 10k, and Half Marathon takes place in Frisco, CO, offering runners a scenic course through the Frisco Peninsula trails with stunning views of Lake Dillon and the Ten Mile Range. Participants can enjoy single track and dirt road trails, making it suitable for first-time ..