Reuter-Hess Trail Incline

24 Hours of Palmer Lake is a 24-hour ultramarathon held in Palmer Lake, Colorado, on a 0.82-mile loop atop the Palmer Divide at about 7,240 feet elevation. The event is described as a low-fanfare, community-driven affair, welcoming runners who want to push mental and physical limits in a mountain se..

The Bear Chase Race Endurance Festival occurs at Bear Creek Lake Park in Lakewood, Colorado, offering 100K, 50 Mile, 50K, Half Marathon, 10K, and 5K (plus the Baby Bear 10K). The mostly dirt, single-track course is described as fast by trail/ultra standards and rewards sweeping mountain views with c..

The Castle Rock Trail Festival / liveBIG Run is a trail running and walking event on the Ridgeline trail system in Castle Rock, using Philip S. Miller Park and Ridgeline Open Space. The event includes a family obstacle run for children ages 5 to 12 and longer trail races for adult participants. Par..

Indian Creek Trail Runs, the oldest official race in the Human Potential Running Series, is held at Indian Creek Campground in Sedalia, Colorado. The 12th annual Fall Classic offers four distances — 5-Mile, 15-Mile, 55k, and 50-Mile — with a combined cap of 225 runners. Runners traverse seldom-used..

The Great Trailhead Foot Race 5 & 10 Miler is a trail-running event held at Bear Creek Lake Park in Lakewood, Colorado. Runners choose a 5-mile course or a 10-mile option (two laps) on single-track and dirt trails, with the start/finish at the Pelican Point picnic shelter. Registration includes park..

Beware The Bear Trail Races take place at Bear Creek Lake Park in Lakewood, Colorado. Organizers offer four options: a 5K, a 15K, a 5K+15K Double, and a Kids 1K. The mostly dirt courses feature single and double-track trails with short, steep climbs, rollers, and mixed terrain designed as a friendly..