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Bitterroot Runoff Trail Runs logo

Bitterroot Runoff Trail Runs

Sat, Apr 18, 2026, 9:00 AM MDT

Location
Lolo, MT
6737 Bristle Cone Ct, 59847
Type
RUN
Official registrationPast results (if available)

Sign up and verify details on the organizer’s official page.

Profile in progress

More event insights are on the way. Additional race details are being prepared—check back soon, and always confirm timing and logistics on the official registration page.

Distances & registration

3 options

Registration for all distances is through the official signup link above.

  • 5K

    Sat, Apr 18, 8:00 AM MDT · From $37.40

    Opens Feb 17, 2026, 3:00 AM MST · Closes Mar 16, 2026, 7:59 PM MDT

  • 5 Miles

    Sat, Apr 18, 8:30 AM MDT · From $47.40

    Opens Feb 17, 2026, 3:00 AM MST · Closes Mar 16, 2026, 7:59 PM MDT

  • 10 Miles

    Sat, Apr 18, 9:00 AM MDT · From $62.88

    Opens Feb 17, 2026, 3:00 AM MST · Closes Mar 16, 2026, 7:59 PM MDT

The course

  • —

Vibe Check

Push Potential

half marathon distance, mountainous area, often cold or wet weather

Based on typical seasonal and area patterns — not a course map or official forecast.

From the organizer

Kick off trail racing season in Montana with the Bitterroot Runoff Trail Runs!

Now with 5k, 5 Mile, & 10 Mile courses, there are options for beginners and seasoned veterans alike.  All three courses follow private single & doubletrack trails on the Rossignol Ranch outside of Lolo, Montana.

After the race, you will be treated to a homemade brunch and Big Sky Brewery Beer.

Visit our website for more information.

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