The Great Divide Ultra

The Great Divide Ultra is a premier trail running event taking place on June 7-8, 2025, in Divide, Colorado. This festival features a variety of race distances, including 100-mile, 100K, 50K, and 25K options, all set against the stunning backdrop of Mueller State Park. The course consists of smooth single and double-track trails, offering breathtaking views of the surrounding mountains.

New for 2025, all 50K and 25K participants will park at the John Wesley Ranch, with shuttle services provided to the start/finish line. The event has gained popularity, selling out for three consecutive years, making early registration essential. Visit the organization's website for the most recent information.