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John Colter Run

Saturday, September 19, 2026 · Three Forks, United States

Distances

12.1 km

About this race

The race begins with a 50 caliber Hawkins black powder rifle shot. The course starts on a paved/gravel road before hitting rugged trails, reminiscent of the Lewis and Clark expedition. You'll navigate two railroad crossings, with BNSF stopping all trains at the first. The second crossing requires you to go under the railroad bridge and through water and mud to avoid disqualification; the mud can be knee deep and water up to waist deep. Look for trail markers like skulls, bones, and beer bottles. You'll also chase 'John Colter' – beat him to the 'Beaver Dam' for a special prize!

Start location

Map showing the location of John Colter Run
Missouri Headwaters State Park
Three Forks, MT
Driving directions
Register →via runsignup.com Search on Google

Typical weatherSeptember

19°Clow 10°C
45mm precip avg
Cloudy most days
Cooling, ideal racing temps.

Please verify event details with the organizer before registering.

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