Trail Running calendar near Lyons 2024-2025

The 24 Hours Of Palmer Lake will take place in Palmer Lake from Saturday 27 September 2025 to Sunday 28 September 2025.

The Bear Chase Race Endurance Festival, held at Bear Creek Lake Park in Lakewood, CO, features a variety of race distances including 100K, 50 Mile, 50K, Half Marathon, 10K, and 5K. This event is ideal for both novice and experienced trail runners, offering a mix of challenging terrain and stunning v..

Rocky's Backyard Ultra is an exciting ultra trail running event held in Estes Park, Colorado, at the YMCA of the Rockies. This unique race format challenges participants to complete 4.167 miles every hour until only one runner remains. The course features stunning Rocky Mountain scenery, with approx..

The Castle Rock Trail Festival is an exciting athletic event that caters to a wide range of participants, from ultra-distance runners to families with children aged 5 to 12. Set against the stunning backdrop of Philip S. Miller Park and Ridgeline Open Space, the festival features various race option..

The Great Trailhead Foot Race 10 Miler is an exciting running event held at Bear Creek Lake Park in Lakewood, Colorado. Participants can enjoy a scenic 10-mile course featuring single-track and dirt trails, all while taking in views of Denver's skyline. The event includes a post-race celebration wit..

The Blue Sky Trail Marathon and Half Marathon will take place on October 18-19, 2025, in Fort Collins, Colorado. This event features a challenging 26.7-mile marathon and a 13.1-mile half marathon, both set against the stunning backdrop of the Colorado Rockies. The courses traverse a mix of dirt sing..

The Indian Creek Trail Runs, part of the Human Potential Running Series, is a celebrated annual event known as the "Fall Classic." Scheduled for October 18, 2025, it features multiple race distances including 50-Mile, 55k, 15-Mile, and 5-Mile options. Set in the picturesque Indian Creek Campground n..

The BINGO! Trail Party is a unique running event organized by the Human Potential Running Series, set to take place at May Farms in Byers, Colorado. This event encourages runners of all abilities to participate in a fun and community-oriented atmosphere. Participants run loops on a scenic course unt..

The Louisville Trail Race, celebrating its 12th year, features a Half Marathon, 10K, and 5K, set against the stunning backdrop of Louisville, Colorado. Known for its scenic trails and welcoming atmosphere, the race offers a mostly flat course with a challenging hill that rewards runners with breatht..

The Sawmill Trail Runs is an annual trail running event held at Staunton State Park in Pine, Colorado. Established in 2013 and officially recognized since 2017, the event features three distance options: a 50k, a 16-mile, and an 8-mile race. With a runner capacity of 250, the event emphasizes commun..