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John Colter Run

Three Forks, United States • 20 Sep 2025

John Colter Run is a classic Bozeman-area trail race at Missouri Headwaters State Park, near Three Forks, Montana. The 7.5-mile course begins with 1.5 miles on a paved/gravel road, then 5.5 miles of rugged trails echoing Lewis and Clark. The route includes two railroad crossings—one under the tracks—and two water crossings with mud and waist-deep Gallatin River sections.

The trail is marked with cairns, flags, skulls, bones, and beer bottles, creating a rugged, historical atmosphere. Prizes go to the first 50 runners to beat John Colter to Beaver Dam, plus overall and age-group awards, followed by a post-race BBQ and live music. Cap is 300. Visit the organization's website for the most recent information.

United States Montana Three Forks

Race information

Website
8 mi
7.5 Rugged Miles
Visit the organization's website for the most recent information.
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