Trail Running Calendar Montana 2026-2027

A 15K loop trail race at Montana Snowbowl with 4.65 miles of climbing and 4.65 miles of descending, 2,150 feet of elevation change, chip timing, small field cap, and a post-race lunch and beverage at the base area.

Experience the beauty of Mission Canyon during the Swift Bear Trail Run in Hays Montana. Choose between 10 mile 20 mile or 50K distances featuring mountain loops and varied terrain during the annual Hays Powwow.

A trail race weekend in Cooke City, Montana with 50k, 30k and an 80K option set among mountain scenery and historic mining sites on 8/8 to 8/9/2026.

Experience a true off trail adventure at Blacktail Mountain Ski Area where navigation is key. Choose from distances up to 20 miles and explore the Montana wilderness through a unique route of your own making.

A remote roughly 20 mile ridge trail race near Bozeman, Montana, run by volunteers with a lottery limited field. The route is technical and exposed; aid stations are volunteer staffed and participants must carry a water vessel.

A community wellness trail event at Blood Tribe Timber Limits on August 9, 2025 offering 2K for kids and 5K, 10K run only and 15K run only distances with free registration, chip timing, water stations and cash prize draws.

A multi-lap trail event at Red Lodge Mountain on August 16, 2026 offering marathon, half marathon, relay and a 4.31 mile Hot Lap. The course mixes singletrack, access road and bushwhacking with about 900 to 1200 ft gain per lap.

The Augúst, Montana's second oldest footrace, holds its 58th running in Helena on August 20, 2026. A 5K trail race presented as a minimalist fundraiser for local high school cross-country teams.

Dog Days ULTRA in Missoula, Montana runs August 22-23, 2026 and features timed solo events plus a 24 hour relay. Registration runs March 9 to July 9, with fees listed per event.

Experience a fast downhill race through the scenic Little Belt Mountains to historic Harlowton. This charity event features a smooth gravel course with multiple distances and a finish line celebration at a local brewery.

A roughly 5K trail race at Dover Park in Billings, Montana, serving as the final race of the Free 3 series. The course runs on dirt trails, includes park views, and a potluck follows; the event is free for Yellowstone Rim Runners.

A multi day mountain running celebration in Big Sky, Montana in September 2026, featuring races from a 1K Runt Run to an 84K Trifecta and a Lone Peak Vertical Kilometer. The 2026 event is sold out except the free 1K Runt Run.

Experience a historic run at Pompey’s Pillar National Monument with an RRCA qualified 5k or a relaxed 1 mile walk. Support local history and preservation while enjoying the scenic Montana landscape this September.

Experience a historic re-enactment through the rugged trails of Missouri Headwaters State Park. This unique 7.5 mile run features deep mud, river crossings, and wild Montana terrain for a limited field of 300 participants.

An off-road 18.2 mile trail race with 2,609 ft of climbing through Paradise Valley and Emigrant Gulch, featuring creek crossings, three aid stations, marked technical terrain, and a finish at Chico Hot Springs.

A fixed time running event at Gallatin Valley Regional Park in Bozeman with a 1.5 mile loop and 24, 12, and 4 hour options. One aid station on course, crew support allowed, and awards for top finishers.

Celebrate the 50th anniversary of this classic trail race in Helena. Experience 1,300 feet of elevation gain on single track trails with sweeping views of the Big Belt Mountains and downtown Helena.

Obstacle course races at Washington-Grizzly Stadium in Missoula on September 26, 2026. Multiple distances include a double 10K, 5K, 3K, kids and All Abilities races, plus team competition and a women’s flag football scrimmage.

Trail races on September 26, 2026 near Taft, Montana along the Route of the Hiawatha. Distances include 26.2 miles, 13.1 miles and 10K, with a virtual option and varying entry fees.

Experience the beauty of Northwest Montana with a variety of trail races ranging from a family fun run to a technical 50k ultramarathon. Run through scenic forests and lakes while supporting the local trail system.