Trail Running calendar near Estes Park 2024-2025

Run Rabbit Run is an annual running event held in Steamboat Springs, Colorado, featuring both 50-mile and 100-mile races through the stunning Routt National Forest. The event, which will take place on September 12-13, 2025, is designed for runners of all levels, with a challenging course that includ..

The Snow Mountain Ranch Trail Running Festival, taking place in Granby, Colorado, offers a stunning backdrop for runners of all levels. Participants can choose from various race distances, including a 50K, 33K, Half Marathon, 10K, and 5K, all set against the picturesque scenery of rolling hills and ..

The Red Feather Trail Jamboree is a three-day trail running event scheduled for September 26-28, 2025, in the scenic Red Feather Lakes region of Northern Colorado. Organized by trail runners for trail runners, the event features multiple race distances, including a 50-mile, 50K, and half marathon, a..

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..

The Emerald Mountain Trail Run is a scenic running event taking place in Steamboat Springs, Colorado, featuring two race distances: a 12k (approximately 7.75 miles) and a 4-mile run. The course winds through beautiful aspen-lined single track trails, starting at the base of Howelsen Hill. This event..

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 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..