The Great Divide Ultra

The Great Divide Ultra is a premier trail running event held in Divide, Colorado, featuring a variety of race distances including 100 miles, 100K, 50K, and 25K, taking place on June 7-8, 2025. Set in the scenic Mueller State Park, participants will experience beautiful rolling meadows and stunning views of the surrounding mountains. The event includes a unique night run, the Dark Divide Night Run, allowing runners to experience the trails after sunset.

With a well-stocked aid station system and a supportive community atmosphere, the Great Divide Ultra is suitable for both seasoned and beginner runners. Visit the organization's website for the most recent information.