Trail Running calendar near Harlowton 2026-2027

A mountain trail event near Bozeman, Montana, on July 11, 2026, offering 25-mile and 50-mile courses across alpine ridgelines with limited support and suggested community donations.

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 100 mile trail race through the Crazy Mountain Range from Wilsall to Lennep, Montana on July 24-25, 2026, passing Apsaalooke lands, jagged cliffs, scree fields, and high alpine lakes with live tracking and family ranch host sites.

Trail races of 2, 4, 6 and 8 miles at Phipps Diamond X Park near Billings, with marked courses, aid stations, a no-paper-cup policy, a $600 Oh Hell Bell cash giveaway, and proceeds supporting 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 5K running race at Bridger Brewing in Bozeman on August 12, 2026, presented by the Bozeman Distance Project 501(c)3. Registration runs July 8 to August 12 with a $10 fee.

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.

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.

Timed running event at Gallatin Valley Regional Park in Bozeman with 24-hour, 12-hour, and 4-hour options on a 1.5-mile loop. Crew support, one aid station with dietary options, limited parking, and awards for top finishers.

Trail races of 20 km, 10 km, 5 km and a 1 km kids race take place at Crosscut Mountain Sports Center near Bozeman on September 27, 2026. The Bobcat 5 km directs proceeds to the Montana State University Nordic Ski Team.

A statewide cross-country team meet in Billings on October 31, 2026, featuring 5K races for men and women in age divisions and a traveling trophy. Registration opens September 1, 2026 and the entry fee is $30.