Trail Running calendar near Seeley Lake 2026-2027

A steep trail race on Mount Sentinel in Missoula that climbs to the summit. The event also features a kids run, chip timing, post race ice cream, and cash and age group prizes.

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.

A Missoula trail weekend on June 7 with a 13.1-mile mountain half and a 6.2-mile 10K, cupless aid stations, capped fields, and virtual options running May 14 to June 23.

Explore the new trails of Marshall Mountain in Missoula with this spring trail running event. Choose from a challenging solo 25K, a fun team relay, or a shorter 5-mile race. The day features a community atmosphere with a post-race brunch an..

A community trail run on Mount Dean Stone paired with hands on bumble bee field training for the Montana Bumble Bee Atlas. Equipment is provided and youth must attend with an accompanying adult.

Experience the scenic Montana Idaho border with a half marathon or 10k starting at Lolo Pass. Enjoy gravel road courses through forests and meadows followed by a celebratory post race BBQ.

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.

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 a trail race through ponderosa pine forests and flowering meadows in the Blue Mountain Recreation Area. Runners can choose between 10k and 30k distances while enjoying views of the Missoula and Bitterroot Valleys.

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.

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.

The Snowbowl 15K is a challenging trail run on a 9.3-mile loop at Montana Snowbowl. Runners face a 2,150-foot climb followed by an equal descent on the Beargrass Highway single track. The event includes post-race lunch and amenities, capped..

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.

Test your endurance at Missoula's first closed loop 24 hour race held on a flat 1.68 mile gravel path. Choose from multiple timed formats while enjoying mountain views and supporting local history.

Test your skills at Washington Grizzly Stadium with a variety of obstacle courses ranging from 2km to 10km. This inclusive event in Missoula features special categories for all abilities, kids, and strongman style challenges.

A 10.6 mile point to point trail race along the Clark Fork River through Lolo National Forest, finishing near Quinn's Hot Springs where participants can enjoy post race food and access to hot pools. Entry includes shirt, chip timing, drop b..

Starting and finishing near Missoula's University District, the City to Sky is a trail race featuring a 50K with 8,000+ feet of elevation and a 25K on the House of Sky Ridgeline. Both courses showcase the area's iconic open space and conser..