Trail Running calendar near Lakeside 2026-2027

A multi-race Spartan obstacle weekend in Bigfork, Montana, held in May 2026 with Sprint, Super, Beast, Ultra and kids courses. Courses use high-altitude terrain and offer team registration and service member discounts.

Trail races along the Route of the Hiawatha near Taft, Montana on June 7, 2026, featuring an out-and-back course through forests and historic train tunnels. Distances range from 10K to 50K and a virtual option is available.

Experience the scenic trails of Herron Park in Kalispell with a half marathon or shorter trail run. Support local trail maintenance while participating in one of the region's established annual racing events.

Follow historic railroad grades from Mullan to St. Regis on a course featuring train trestles and river views. Choose from distances ranging from 5k to 50 miles with post race festivities at the park.

Experience a point to point mountain marathon on the Foy's to Blacktail Trail system in Montana. This limited entry event supports local trail maintenance and features a scenic course through wildlife habitat.

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.

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 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 3.8-mile ascent to the summit of Big Mountain with 2,200 ft of gain at Whitefish Mountain Resort on July 25, 2026. Awards include King and Queen of the Mountain, Top Dog, junior titles, and age-based recognitions; proceeds support the Gla..

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.

Last Herron Standing Backyard Ultra in Kalispell runs across August 1–2, 2026 and features a last person standing format on a 4.167 mile loop. Events include solo, team relay for 2 to 4 runners, and a kids fun run.

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 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.

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.

A point-to-point trail race of about 10.6 miles through Lolo National Forest along the Clark Fork River, finishing near Quinn’s Hot Springs Resort where participants can have post-race food, drinks and an optional soak in the hot pools.

Experience an out and back ultramarathon along the North Fork of the Flathead River near Glacier National Park. This event features gravel roads with 2300 feet of elevation gain and stunning views of the Northern Rockies.

A St. Patrick's running event in the Flathead Valley on March 14, 2026 featuring a 13.1 mile half marathon and a 5.8 mile Lucky 9K along the Great Northern Trail, with a finish and post race gathering at Brannigan's Irish Pub.