This is the kick-off to trail racing season, located at Rossignol Ranch outside of Lolo, MT

Explore the Race Courses

To view the course map, click ‘Load Bitterroot Runoff 5k, 5 Mile & 10 Mile.’ To toggle between the distances, select the course distance from the upper left hand corner of the map.

Questions?
Email our race director, Kris
krisb@runnersedgemt.com

Interested in Volunteering?
Runner's Edge events would not be possible without the support of our volunteers. Bitterroot Runoff volunteers receive a $15 Runner's Edge gift card, a race shirt, and access to the post-race brunch and trail fest. Stay tuned for 2027 opportunities.

Getting to the Rossignol Ranch
This event is located on the Rossignol Ranch just west of Lolo, MT. 
Click here for start/finish line + parking coordinates.
Parking is limited, please carpool if you can.
Getting to the start line from Missoula:

Head south on HWY 93. At the first stoplight in Lolo, take a right onto Ridgeway Drive. Quickly take your first right onto Coulter Pine St. Follow along Coulter Pine for six-tenths of a mile, then turn right onto Bristle Cone Pine. You will head through a gate and into a field where parking and the start-finish area of the races are located.