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The Great Divide Ultra

Divide, United States • 7-8 Jun 2025

The Great Divide Ultra is a premier trail running event held in Divide, Colorado, featuring a variety of distances including 100 miles, 100k, 50k, and 25k. Set against the stunning backdrop of Mueller State Park, participants can enjoy smooth single and double-track trails amidst picturesque meadows and granite formations. The event is designed for both seasoned and novice runners, with well-stocked aid stations and a generous 36-hour cutoff for the 100-mile race. Additionally, the festival includes the Dark Divide Night Run, allowing runners to experience the thrill of night running. The event has gained popularity, often selling out, making early registration essential. Visit the organization's website for the most recent information.

United States Colorado Divide

Race information

Website
100 mi
100 Miler
100 km
100k
50 km
50k Sun
50 km
50k Night
50 km
50k Sat
25 km
25k Sun
25 km
25k Sat
25 km
25k Night
Visit the organization's website for the most recent information.
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