Ouray 100 Mile Endurance Run
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Ouray 100 Mile Endurance Run
The Ouray 100 Mile Endurance Run is a 100 mile mountain ultramarathon held in Ouray, Colorado on July 16, 2027, organized by Ouray Ultras and centered at Fellin Park.
The course includes about 41,862 feet of elevation gain and fourteen climbs, with a final 5,000 foot ascent to the Bridge of Heaven before descending back toward Fellin Park. The official cutoff for the 100 mile event is 52 hours. Finishers receive a belt buckle and podium awards are laser cut from traffic cones.
Logistics include packet pickup the day before and on race day, and an optional pre race briefing the day before. Racers are required to carry a SPOT tracker supplied by the organizers; runner locations will be updated every five minutes.
Participation requires eight hours of volunteer service completed prior to July 1, or an opt out donation of $100 to the Ouray Trail Group. Entrants who have not submitted their service form or paid the opt out fee by July 10 will forfeit their registration and will not be permitted to participate.
The event is not a UTMB qualifier. Cash awards for the 100 mile event are $1,000 for the top male finisher and $1,250 for the top female finisher; payment of these awards is subject to urine and/or blood testing. Banned substances listed include steroids testosterone EPO and THC with a THC threshold of 150 ng/ml for a positive result. Winners may be required to provide samples after finishing. Visit the organization's website for the most recent information.
