Trail Running calendar near Lennep 2025-2026

We have found 15 Trailruns within 80 miles of Lennep. See below where and when you can find the races.

The Jim Bridger Trail Run, held annually in Bozeman, Montana, offers a classic trail running experience with two main events: a challenging 10-mile trail run and a 5k fun run. The 10-mile race features 2,838 feet of elevation gain through the scenic foothills of the Bridger Mountains, including clim..

The Little Blackfoot is a trail running event near Elliston, Montana, offering 30K and 15K distances. Both races start at the Little Blackfoot Meadows trailhead near Kading Campground and follow an out-and-back course. Runners begin together, crossing two wooden bridges over a creek before reaching..

The Jim Bridger Trail Run & Roller Ski Races take place in Bozeman, Montana, featuring a 10-mile trail run and a 5K run, along with roller ski sprint races at Crosscut Mountain Sports Center. The 10-mile course offers a scenic, challenging loop with significant elevation gain (2,838 ft), including c..

The Crazy Mountain 100 is a challenging 100-mile ultramarathon held in Montana's rugged Crazy Mountain Range. Starting in Wilsall and finishing near the ghost town of Lennep, the point-to-point course features approximately 23,000 feet of vertical gain, reaching elevations up to 10,200 feet. The rou..

August 2025

HURL Elkhorn is a challenging trail running event held in the rugged Elkhorn Mountains near Helena, Montana. It offers three race distances: a 50-mile ultra, a 50K, and a 13.1-mile half marathon, all featuring technical single-track trails, primitive jeep roads, and forest service roads with no pave..

The Copper City 24 Hour Race, held in Three Forks, Montana, is an endurance running event featuring 12- and 24-hour options. Participants run on a scenic, relatively flat one-mile double-track loop that offers views of multiple mountain ranges, city lights, and a farm setting with animals. The cours..

The Augúst is Montana's second oldest footrace, held annually in Helena at the Spring Meadow Resources Pavilion. Celebrating its 57th running, this minimalist 5k trail race is known for its flat and fast course, attracting both youth (0-19) and adult (20+) runners. The event emphasizes tradition and..

Goats in the Dark is a nighttime 5k trail race held in Helena, Montana, starting at LeGrande Cannon Blvd and Silverette St. The course features a scenic route along LeGrande Cannon Blvd to Tubbs Trailhead, then ascends switchbacks onto Mount Helena's western trails, including Swaney, Diretissima, an..

The Dark Knight Trail Run, also known as the Goats in the Dark 5k, is a unique night trail race held on Helena’s west side trails in Montana. This family-friendly event takes place in late August, offering runners pleasant nighttime temperatures and beautiful sunset views before darkness sets in. Th..

The AIDSPIRIT USA Marathon, held in Harlowton, Montana, is a scenic race starting in the Little Belt Mountains within Lewis & Clark National Forest and finishing in historic Harlowton. The event features a full marathon, half marathon, 10K run, and 5K fun run, all on compacted, calcium chloride-trea..

September 2025

The Mount Helena Run is an annual 9-kilometer (5.6-mile) trail race held in Helena, Montana. Starting on historic Last Chance Gulch in downtown Helena, the course quickly transitions from urban streets to mountain trails within Mt. Helena City Park.Runners ascend approximately 1,300 feet to the summ..

The John Colter Run is a rugged 7.5-mile trail race held at Missouri Headwaters State Park near Three Forks, Montana. The course starts with 1.5 miles on paved/gravel roads, followed by 5.5 miles of challenging trails reminiscent of the terrain from the Lewis and Clark era. Unique features include t..

The Montana Meltdown is a fixed-time endurance running event held at Gallatin Valley Regional Park in Bozeman, Montana. Participants can choose from 24-hour, 12-hour, or 4-hour races, running on a scenic 1.5-mile loop course. The event offers a supportive atmosphere where runners can challenge their..

The Bobcat Trail Challenge at Crosscut is a trail running event held at the Crosscut Mountain Sports Center in Bozeman, Montana. The race features a challenging 5km cross-country ski loop course, with options to compete in 5k, 10k, or 20k distances. Participants can also join as part of a 2 or 4-per..

November 2025

The Montana Cup is a team-based cross-country running event held at Gallatin County Regional Park in Bozeman, Montana. It unites runners from across Montana’s regions to compete for a traveling trophy. The race features separate categories for men and women, divided by age groups (under and over 40)..