Trail Running calendar near Missoula 2026-2027

We have found 10 Trailruns within 80 miles of Missoula. See below where and when you can find the races.

Take on Mt Sentinel in Missoula with timed 3, 6, 12 and 24 hour laps to summit as many times as you can. Fundraising supports Climate Smart Missoula and local air quality while winter safety rules may change or cancel the event.

April 2026

Run scenic singletrack at the Bitterroot Runoff Trail Runs on April 18, 2026 at Rossignol Ranch near Lolo, Montana with 5k, 5 mile and 10 mile options climbing up to 2,025 feet. Finish with postrace brunch, beer, massage and trail festival.

May 2026

Conquer the Sentinel Hill Climb in Missoula on May 6, 2026, a steep summit run up Mount Sentinel limited to 250 runners. Staged waves include an elite heat, plus a kids run and postrace ice cream and prizes.

Run scenic Marshall Mountain in Missoula with a team relay, solo 25K, 5 mile race and kids run. Expect rugged climbs, chip timing and a festive finish with pancake brunch, vendors and fundraising for Friends of Marshall Mountain.

June 2026

Run from mountain to meadow at Lolo Pass, Montana, choosing a half marathon or scenic 10K across gravel roads and forest trails with sweeping Bitterroot views. Finishers get a tank top and a post race BBQ to celebrate.

Experience the Trail Rail Run at St Regis Park, Montana with distances from 5K to 50 mile plus relays along scenic former railroad grades. Cross trestles, pass through a tunnel and finish by the St Regis River with music and free food.

July 2026

Run scenic ski trails and forest roads outside the Bob Marshall Wilderness at the Bob Marshall Trail Race in Seeley Lake, MT on July 18, 2026. Distances from 5K to 50K offer a mountain trail experience with stunning views.

Join Run With The Wild on July 18 at scenic Seeley Creek Trails in Seeley Lake for community trail runs of 1K, 5K and 10K. Enjoy a free pancake breakfast for participants and celebrate with awards and prize drawings afterward.

August 2026

Run the Snowbowl 15K in Missoula on August 8, 2026, a 9.3 mile climb to Grizzly Chair followed by a flowy single track descent with sweeping valley views. Field limited to 250, includes a race shirt, post race lunch and a beer.

October 2026

Scenic 10.6 mile point to point trail run through Lolo National Forest along the Clark Fork River, mostly downhill and finishing near Quinn's Hot Springs with shuttle service. Laid back vibe, on course aid, and dogs welcome.