Trail Running Calendar Montana 2025-2026

Join the Reach Inc. Race for Independence in Bozeman for scenic trail 1K, 5K and 10K races with virtual options, medals for top finishers and a community raffle. Trails are mostly hard packed with gentle hills and lovely river views.

Tackle the Devil's Backbone near Bozeman on exposed alpine ridgelines and technical high country with serious elevation gain. 25 mile and 50 mile options support local trail charities by donation.

Choose a 15K or 30K on scenic trails near Elliston, Montana, starting at Kading Campground. Both out and back routes cross wooden bridges and meadows, with the 30K climbing to the Continental Divide for stunning views before returning to th..

Run scenic trails near the Bob Marshall Wilderness in Seeley Lake on July 18, 2026, with marathon, half, 10K and 5K options. Enjoy single and double loop courses, mountain views, aid stations and a friendly outdoor vibe.

The Crazy Mountain 100 is a 100 mile point to point ultramarathon across rugged alpine terrain in Montana on July 24, 2026. Limited field and Western States and Hardrock qualification make this a must for serious ultrarunners.

Run scenic singletrack and historic train tunnels along the Continental Divide near Butte, MT with 25K or 50K loop options and big mountain views. Aid stations and race swag keep things fun and supported.

Experience the Yellowstone Trail Race in West Yellowstone, Montana on August 1, 2026, from Rendezvous Ski Trails. Choose marathon, half marathon, or 10K on scenic, challenging trail terrain.

Run the Snowbowl 15K in Missoula on August 8, a scenic mountain loop with a steady climb and a thrilling single track descent back to the lodge. Finish with chip timing, a race tee, post race lunch and a beer.

Experience the 4th Annual Swift Bear Trail Run in Hays Montana with scenic mountain courses and options from a 10 mile or 20 mile up to a new 50K. Varied trail terrain, friendly competition, and prizes for top finishers await.

Run the 58th Augúst, Montana's second oldest footrace, with a flat 5 km trail course around Spring Meadow Resources Pavilion in Helena. Proceeds support local high school cross country teams and the event welcomes runners of all levels.

Join Goats In The Dark for a nighttime 5k on Mount Helena, weaving switchbacks and singletrack with sunset views before full darkness. Take to the trails in Helena MT on August 28, 2026; headlamps required.

Run a scenic course from the Little Belt mountains into Harlowton, ending with a handcrafted pint at Gally's Brewing Company. Choose full, half, 10K or 5K and support AIDSPIRIT USA as funds help orphaned and vulnerable children in Uganda.

The Rut Mountain Runs is a three day mountain race in Big Sky, Montana, Sept 11 to 13, 2026 presented by The North Face. Choose from distances from a VK and 1K kids run to epic ultras that tackle dramatic alpine terrain.

Celebrate the 50th annual Mount Helena Run on September 26, 2026. This scenic 9k trail climbs Mount Helena with about 1,300 feet of gain and sweeping views before returning to Last Chance Gulch in downtown Helena.

Run 10.6 scenic miles along the Clark Fork River through Lolo National Forest at 11 Miles to Paradise. Expect rolling single track, a midrace aid station, shuttle service, and post race access to Quinns Hot Springs.

Experience the Le Grizz Ultramarathon & Relay in Polebridge MT, running scenic gravel roads along the North Fork Flathead near Glacier National Park. Choose 50 mile solo or relay, or shorter 15K and 5K distances among aspens and larch.