⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (April 18, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
The Bitterroot Runoff Trail Runs take place in Lolo, near Missoula, Montana, on April 17, 2027, with 10-mile (16.1 km), 5-mile (8 km) and 5K trail races on the private singletrack and doubletrack trails of Rossignol Ranch.
Starts are staggered: the 5K at 8:00 a.m., the 5-mile at 8:30 a.m. and the 10-mile at 9:00 a.m. The event welcomes beginners and experienced runners alike. Afterward, participants can enjoy a homemade brunch and a Big Sky Brewery beer, making it a community get-together that showcases Montana's scenery and outdoor spirit.
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Races nearby
Other upcoming races around Lolo.
Mountain to Meadow Half Marathon & 10k
Jun 13, 2027 · Lolo, MT · 0 mi away
13.1 mi · 6.2 mi
Blue Mountain 30K
Jul 10, 2027 · Missoula, MT · 4 mi away
18.6 mi · 6.2 mi
Run for the Luck of It!
Mar 13, 2027 · Missoula, MT · 7 mi away
7 mi · 3.1 mi · 400 m
City To Sky Ultras
Oct 18, 2026 · Missoula, MT · 7 mi away
15.5 mi · 31.1 mi
Meet me in Midtown 406 Run!
Sep 18, 2027 · Missoula, MT · 7 mi away
2.5 mi
Turkey Day 8K & 3K Family Fun Run
Nov 26, 2026 · Missoula, MT · 9 mi away
5 mi · 1.9 mi