Trail Running Calendar Montana 2025-2026

We have found 45 Trailruns in Montana. Check below where and when you can find the races.

The Foy's to Blacktail Trail Marathon is a premier trail running event set for July 13, 2025, in Kalispell, Montana. This challenging 26-mile race features a new all-single track course with over 5,000 feet of elevation gain, making it the only trail marathon in Northwest Montana. Participants will..

The Little Blackfoot event, taking place near Elliston, MT, offers participants the choice of two trail race distances: 30K and 15K. Both courses begin at the Little Blackfoot Meadows trailhead and feature scenic routes that include wooden bridges and beautiful meadows. The 30K runners will experien..

The Jim Bridger Trail Run & Roller Ski Races, taking place in Bozeman, Montana, features a 10-mile trail run and a 5K run, scheduled for July 19, 2025. The event also includes roller ski races, with specific details to be announced. Proceeds from the event support the Bridger Ski Foundation's Nordic..

The Crazy Mountain 100 is an exhilarating 100-mile ultra marathon set in the rugged terrain of Montana, featuring approximately 23,000 feet of vertical gain. This challenging race, which serves as a qualifier for the Western States, offers a unique point-to-point course that includes technical desce..

The Yellowstone Trail Race is an exciting trail running event set to take place in West Yellowstone, Montana, on July 26, 2025. Participants can choose from three race distances: a 50K, 25K, and 10K, all of which offer stunning views of the surrounding Custer Gallatin National Forest. The race begin..

August 2025

HURL Elkhorn is a challenging running event set in the stunning backcountry of the Elkhorn Mountains in Montana. Participants can choose from three distances: a 50-mile ultra, a 50K, and a 13.1-mile half marathon, all featuring technical single-track trails and breathtaking scenery. The courses incl..

The Copper City 12 & 24 Hour Race takes place in the scenic setting of Three Forks, Montana, inviting participants to challenge themselves in either a 12-hour or 24-hour running event. The course features a flat, double track that offers beautiful views of mountain ranges and the charming city light..

The Prospector's 50k | 30k is an exciting running event taking place in Cooke City, Montana, on August 9-10, 2025. This race features two challenging distances: a 50k and a 30k, designed for both seasoned runners and newcomers. Participants will enjoy stunning mountain views and historical reminders..

The 3rd Annual Swift Bear Trail Run, scheduled for August 9, 2025, in Hays, Montana, features a variety of running events including a 10 Mile, 20 Mile, and a newly added 50K run. The race takes place during the Hays Powwow, offering a scenic route through Mission Canyon. Participants can expect a mi..

The Nitty Gritty Off Road Race is an exciting running event taking place at Red Lodge Mountain Resort. Scheduled for August 17, 2025, this race features a variety of challenges including a Solo Half Marathon, Solo Marathon, Hot Lap, and multiple Marathon Relay options for teams of two to six runners..

The Augúst is Montana's second oldest footrace, celebrating its 57th edition in 2025. This 5k trail run, known for its flat and fast course, takes place at the Spring Meadow Resources Pavilion in Helena. With a minimalistic approach, the event emphasizes speed and accuracy over frills like t-shirts..

Goats in the Dark is an exciting 5k running event set in Helena, MT, featuring a scenic course that begins at the corner of LeGrande Cannon Blvd and Silverette St. This year's race is scheduled for August 29, 2025, and will take place earlier in the month to provide runners with more comfortable nig..

The Goats in the Dark 5k is a unique night race held in Helena, Montana, designed for runners of all ages and skill levels. Taking place on the scenic trails of Mount Helena, participants can enjoy beautiful sunset views before racing under the stars. The course features a mix of singletrack trails,..

The AIDSPIRIT USA Marathon is a running event scheduled for August 31, 2025, in Harlowton, Montana. Participants can choose from various race options, including a full marathon, half marathon, 10K run, and a 5K fun run. The course features scenic views from the Little Belt mountains to Harlowton, pr..

September 2025

The Quitcherbitchen' Trail Run is an exciting running event taking place at Phipps Diamond X Park in Billings, Montana. Designed for all skill levels, participants can choose from four different distances: 2 miles, 4 miles, 6 miles, and 8 miles. The event features well-marked courses with plenty of..

The Rut Mountain Runs is a three-day mountain running event taking place in Big Sky, Montana, from September 12 to 14, 2025. The event features a variety of races, including the Lone Peak Vertical Kilometer, a Trifecta (50K, 28K, VK), and distances ranging from 50K to a Kids 1K Runt Run. This celebr..

The Rock the Run! 5K at Pompeys Pillar is an exciting running event scheduled for September 14, 2025. This 5K race is designed for participants of all skill levels, offering a scenic route through the beautiful landscapes of Pompey's Pillar. Runners can enjoy a blend of challenge and fun, with the e..

The Mount Helena Run is an annual trail race held in Helena, Montana, featuring a challenging 5.6-mile course with an elevation gain of 1,300 feet. The race begins in downtown Helena and transitions from urban streets to scenic mountain trails, offering stunning views of the city and surrounding lan..

The John Colter Run is a unique trail race held at Missouri Headwaters State Park in Three Forks, Montana. This 7.5-mile event commemorates the legendary escape of John Colter from Blackfoot Indians in the early 1800s. The course features a mix of paved and rugged trails, including two challenging w..

The Hiawatha Fall Trail Run is an exciting running event taking place from September 26 to October 5, 2025, in Taft, Montana. Participants can choose from various race options, including a Marathon, Half Marathon, 10K, and a virtual run. The course features stunning scenery, including trestles, wate..