Trail Running calendar near Island Park 2026-2027

Experience a unique trail race across dormant tuff volcanoes in Menan Idaho. With distances from 5k to 55k you can explore rugged calderas and enjoy views of the Tetons and Snake River.

A playful community mud run in Jackson, WY on April 18, featuring a 3 mile informal course with no timers, suggested donations for adults, families and businesses, and a hot tub and snacks at the finish.

Experience world class ridgeline running at the Wildflower Run with four trail distances ranging from a kids 1K to a 50K ultra through fields of mountain wildflowers.

Experience trail running in the Bridger Teton National Forest with races ranging from 15K to 50K. Runners enjoy views of the Grand Teton and mountain wildflowers while spectators utilize local gondolas to follow the action.

Experience the Montana wilderness through a series of certified trail races in 2026. Choose from distances ranging from 5K to 50K with events held in West Yellowstone, Seeley Lake, and Butte.

Join the 2nd Running of the Bulls Trail Race in Big Sky, Montana on dirt and single track through BSCO trails, with Big Sky Events Arena as the start, finish and festival hub. Run 21K, 11K or a 5K relay and stay for food trucks and awards.

Experience a trail run through the Custer Gallatin National Forest at the gateway to Yellowstone National Park. Choose between marathon, half marathon, or 10K distances on scenic mountain trails.

Harriman Trail Runs in Island Park, ID on August 15, 2026 offers 1k, 10k, 25k and 50k trail courses with on-course aid, finishers medals and a post-race brunch, set among forested meadows with views of the Teton Range.

Experience high alpine mountain running at Grand Targhee with a 7.1 mile course featuring over 2,200 feet of vertical gain and summits reaching nearly 10,000 feet.

Experience a premier mountain running festival in Big Sky, Montana, featuring technical courses from 1K to 50K. Runners face steep ridgelines and significant vertical gain, including the iconic ascent of Lone Peak.

Experience an 18 mile off road journey through the foothills of Paradise Valley featuring scenic climbs and historic mining trails. This point to point race finishes with a meal and a relaxing swim at Chico Hot Springs.

Experience Zombie Mania in Rexburg, Idaho on October 10, 2026, a timed 5K through Nature Park and Eagle Park where volunteers dressed as zombies try to grab your health flags. A fun 1 mile costume run is offered for kids and adults.

Test your endurance in Idaho Falls at this winter backyard ultra. Complete 4.167 miles every hour on a varied terrain course until only one runner remains at the Bonneville County Exhibition Hall.