Barr Lake Trail Race

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 Ol' College Try 24 Hour Ultra is Denver's inaugural 24-hour ultra race, taking place at Auraria Campus on May 24-25, 2025. Organized by Rise Again Running Events in collaboration with Tall Tales Ranch, this event invites runners of all levels to challenge themselves in a non-stop race environmen..

The Boulder Rez Marathon is a scenic running event held at the Boulder Reservoir in Boulder, Colorado. Participants can choose from various distances, including a marathon, half marathon, 3/4 marathon, and 10K, all set along dirt roads and trails with stunning views of the reservoir and Rocky Mounta..

The Holy COW Trail Stampede is an exciting running event held in Westminster, Colorado, featuring a 10-mile race and a 5k/10k option. Participants can enjoy a fun and festive atmosphere while supporting the charity partner, Growing Home, which focuses on breaking the cycle of poverty for families in..

The Westminster Night Trail, celebrating its 12th year, is an exciting nighttime running event held at Standley Lake in Westminster, CO. Participants can choose from various distances, including 50K, 35K, Half Marathon, 10K, and 5K, all set against the stunning backdrop of Colorado's natural beauty...

The Bear Chase Race Endurance Festival, taking place at Bear Creek Lake Park in Lakewood, CO, features a variety of trail running events including a 100K, 50 Mile, 50K, Half Marathon, Baby Bear 10K, and 5K. This festival is ideal for both novice and experienced ultramarathoners, offering a mix of ch..