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John Colter Run

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Missouri Headwaters State Park, Three Forks MT

Saturday, September 20th, 2025

🏁 Race Details

  • Date: September 20, 2025
  • Time: 9:00 am sharp
  • Location: Missouri Headwaters State Park – one mile south of Trident and about 6 miles northeast of Three Forks, MT. Take Exit 278 off I-90. Follow signs to Headwaters State Park and Trident.
  • Parking: Limited: please carpool.

🛤️ The Course

  • Distance: Approximately 7 miles
  • Terrain: First mile and a half on paved/gravel road, remaining 5.5 miles on rugged trails.
  • Crossings: Two railroad crossings: BNSF will stop ALL trains at the first crossing with a guard.
  • Trail Markings: Trail marked with rock cairns, flags, stakes, skulls, bones, and beer bottles.

💦 Water Crossings

  • Distance: Last ¼ mile includes two water crossings.
  • First Crossing: Under the railroad bridge: mud can be knee deep.
  • Second Crossing: Gallatin River: water may be waist deep.
  • Safety: A safety rope will be provided across the river: bring an extra change of clothes.

🎉 Awards & Celebration

  • Chase the John Colter: First 50 runners who beat John will win a special prize.
  • Finish Awards: Prizes for overall top male and female, age group winners, and special recognitions.
  • Post-Race Festivities: Join us for a barbeque with beer and live music!
  • Participants Limit: We are limited to 300 participants!

📋 Important Information

  • Bib Policy: Race bibs cannot be transferred: violation affects liability and results.
  • Registration: Opens April 1, 2025: reserve your spot early!
  • No Refunds: Entry fees will not be refunded if you cannot run.
  • Cancellation Policy: 50% refund if the race is canceled due to extraordinary reasons.

🚫 Race Rules

  • Walkers: Not permitted.
  • Dogs: Not allowed on the race course.
  • Water Station: One approximately 4 miles into the run.
  • Porta Potties: Available at the start area only.

🌟 Thank You to Our Sponsors

Thanks to our sponsors: Headwaters State Park, BNSF, GCC, Main Street Over Easy, Bozeman Speedy Lube, Bozeman Running Co. Bobcat ROTC, Gallatin County Search and Rescue, Lerhkinds, Yellowstone Bank, Dark Horse Construction, and Muddy Dog Sports (Timing).

For more information, visit John Colter Run.

Course Map

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