The Great Trailhead Foot Race 10 Miler

The Mountain Peacock 50k is an exciting ultra running event taking place in Golden, Colorado, where participants will conquer four peaks in one day. This inaugural event emphasizes a no-frills approach, focusing on the essence of trail running without expensive fees or elaborate aid stations. Runner..

The Sawmill Trail Runs, organized by the Human Potential Running Series, is set to take place at Staunton State Park in Pine, Colorado. This annual event, which began in 2013, features three distance options: 8-Mile, 16-Mile, and 50k. The park offers a stunning backdrop with diverse landscapes, incl..

The Running Up for Air - Staunton Rocks is an endurance running event taking place at Staunton State Park in Pine, Colorado, on February 14-15, 2025. This event features various challenges, including 3, 6, 12, and 24-hour races, encouraging participants to run a marked 7.1-mile loop. The event aims ..

The Rock Hawk Trail Races, part of the Bear Chase Race Series, take place in Castle Rock, Colorado, featuring distances of 50K, 25K, 10K, and 5K. Set against the scenic backdrop of Miller Park and Ridgeline Trail systems, the event offers a thrilling experience for both novice and experienced trail ..

Niwot's Challenge is a challenging ultramarathon held annually in Colorado's Front Range, designed for experienced runners. Modeled after the Barkley Marathons, this grassroots event features a secretive course that requires participants to navigate using a map and compass, with limited aid availabl..

The Mountain Ridge Trail Race, celebrating its 11th year, offers a variety of distances including a 5K, 10K, Half Marathon, and 21-Mile race, all set in the scenic Highlands Ranch, Colorado. Participants will enjoy 100% dirt and single-track trails with manageable elevation gains, showcasing the stu..