Trail Running Calendar Montana 2026-2027

Mountain trail running near Bozeman, MT with 25 mile and 50 mile backcountry routes across the Gallatin Crest. Routes cross exposed alpine ridgelines and require self-sufficiency and mountain experience.

Run With The Wild in Seeley Lake features 1K, 5K and 10K courses on Seeley Creek Trails, a free pancake breakfast for participants, plus awards and prize drawings. Strollers and leashed dogs are welcome.

The Blue Mountain 30K is a 30 kilometer trail race near Missoula, Montana. The 18.6 mile loop gains 3,600 feet and passes through ponderosa pine forest and flowering meadows, with the field capped at 200 entrants.

Experience the Montana wilderness through a series of certified trail races in 2026. Choose from distances ranging from 5K to 50K with events held in West Yellowstone, Seeley Lake, and Butte.

A trail running event in West Yellowstone, MT on July 11, 2026, organized by Wolf Pack Adventures. Multiple distances from 5K to 50K are offered with published entry fees and online registration ending July 11, 2026.

A trail race at Big Sky Events Arena on July 12, 2026 offering 15 miles, 6.2 miles, and a 3.1 mile team relay. Routes use BSCO trails with dirt paths and single track and include significant elevation gain and mountain views.

Trail out and back races near Kading Campground with 15 km and 30 km options, creek crossings and mountain views. Post-race food, beverages and prizes are available.

Experience an all-terrain trail event at the edge of the Bob Marshall Wilderness in Montana. Runners navigate singletrack and mountain roads across distances from 10K to 50K in a landscape home to diverse local wildlife.

A July 18, 2026 Bozeman event offering a **10-mile** trail loop with 2,838 feet of climbing and a **5 km** rolling dirt road fun run, plus a post-race BBQ, beer, and raffle prizes.

A free one-day trail event on 07/18/2026 at Sweet Pine near Browning, MT, featuring 10K, 5K and 1-mile races with registration open 2026-06-14 to 2026-07-18; some races list an 8-year minimum age.

A point to point 100 mile mountain ultramarathon in the Crazy Mountain Range of Montana, with about 23,000 feet of climb and peaks near 10,200 feet. The route is mostly single track with long remote and technical sections.

Experience a unique trail race through historic train tunnels and across towering trestles in Montana. Run along the Continental Divide Trail on a course featuring rolling terrain and scenic mountain passes.

A 3.8 mile run or hike to the Big Mountain summit with 2,200 feet of climb in Whitefish, MT. Race awards include adult and junior winners, fastest leashed dog categories, and proceeds benefit the Glacier Nordic Ski Team.

An open 4.4 mile event along the Swan River in Bigfork, Montana, with start and finish at Lake Baked. Proceeds support a TFC campaign offering retreats and education in cold plunging and heat therapy for people with TBI and PTSD.

Experience a trail run through the Custer Gallatin National Forest at the gateway to Yellowstone National Park. Choose between marathon, half marathon, or 10K distances on scenic mountain trails.

A remote mountain trail event near Helena, Montana offering 50 mile, 50K and 13.1 mile courses on technical single track and primitive roads with substantial elevation gain and multiple aid stations. Wildlife is common on course.

Backyard ultra at Foys Lake with a 4.167-mile loop each hour; a solo last-person-standing format and a team relay option with a 24-hour limit, plus a 3K kids fun run.

A multi-distance trail event at Phipps Diamond X Park with 2, 4, 6 and 8 mile courses, volunteer-supported aid stations, a $600 cash bell giveaway, walker options for select races, and funds directed to local trail maintenance.

A trail event near Lewistown, Montana on August 1, 2026, offering a 10K loop trail run with significant elevation gain and a separate 6K out and back hike, with packet pickup and shuttle service to the trailhead.

A backyard ultra on nearly 2,000 acres at Ponderosa Ranch in Clancy, Montana, where runners repeat a 4.2 mile loop each hour until one remains. The last runner standing wins $10,000 and may be supported by up to four crew members.