North Fork 50 Mile
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North Fork 50 Mile/50K
The North Fork 50 Mile/50K is an ultramarathon in the Colorado mountains southwest of Denver, held in Buffalo Creek, CO on Saturday, May 30, 2026. The event uses the area around 18050 South Buffalo Creek Road.
Distances offered:
- 50 Mile
- 50K
The route is reported as 100% soft surface and is composed almost entirely of singletrack trails, with a few short sections of double track or road. The course climbs through open burn areas resulting from a 1996 fire, then passes through stands of ponderosa pine and alongside towering granite rock formations.
A portion of race proceeds is allocated to the North Fork Volunteer Fire Department, which serves the local community. Registration for the event closes Monday, May 25 at 11:59 PM MT.
The description focuses on surface, terrain, and landscape features that participants will encounter along the course. Visit the organization's website for the most recent information.
