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North Fork 50 Mile

Buffalo Creek, United States • 31 May 2025

The North Fork 50 Mile/50K is a premier ultramarathon held in Buffalo Creek, Colorado, about 50 miles southwest of Denver. The event features two distances: a 50-mile race with 6,425 feet of elevation gain and a 50K (31.1 miles) with 3,670 feet of climb. The course is 100% soft surface, primarily singletrack trails winding through ponderosa pine forests, granite rock formations, and areas affected by the 1996 Buffalo Creek fire, offering scenic mountain views. The race emphasizes a personal, small-field experience with well-supported aid stations and a festive finish line. Proceeds benefit the local North Fork Volunteer Fire Department. Visit the organization's website for the most recent information.

United States Colorado Buffalo Creek

Race information

Website Registration
50 mi
50 Miler
50 km
50k
Visit the organization's website for the most recent information.
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