North Fork 50 Mile
Buffalo Creek, United States • 30 May 2026
North Fork 50 Mile/50K
The North Fork 50 Mile/50K is an ultramarathon held in Buffalo Creek, Colorado, southwest of Denver. The event offers long trail distances on natural surfaces near a forested mountain area.
Distances:
- 50 Miler
- 50K
The course is 100% soft surface and is made up almost entirely of singletrack trails with a few short sections of double track road. Runners climb through open burn areas from a 1996 fire and then return to sections of ponderosa pine forest. The route also passes near notable granite rock formations.
The event lists a street address of 18050 South Buffalo Creek Road in Buffalo Creek, CO. A portion of race proceeds goes to the North Fork Volunteer Fire Department, which serves the local community.
Registration for the listed event closes on Mon, May 25 at 11:59 PM MT. The information describes trail surface, landscape features, distances offered, and local beneficiary support. Visit the organization's website for the most recent information.