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Ouray 50 Mile Endurance Run

Ouray, United States • 13-14 Sep 2025

The Ouray 50 Mile Endurance Run, held in Ouray, Colorado, is a challenging mountain ultramarathon featuring 50 miles of highly technical trails with an elevation gain of 23,582 feet. Set nearly two miles above sea level, the course offers stunning mountain scenery and is known for being tougher than many 100-mile races. The event embraces a rugged, old-school atmosphere with dedicated volunteers, a supportive running community, and unique race traditions like a finish marked by two orange traffic cones. Participants must complete volunteer service or pay a fee, and top finishers are subject to drug testing with cash prizes awarded. Visit the organization's website for the most recent information.

United States Colorado Ouray

Race information

Website Registration
50 mi
23582 m+
50 Mile
Visit the organization's website for the most recent information.
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