Trail Running calendar near Teton County 2026-2027

We have found 16 Trailruns within 80 miles of Teton County. See below where and when you can find the races.

Experience high elevation trail running at Grand Targhee with distances ranging from a kids loop to a 50K ultramarathon. Run through wildflower meadows and aspen glades with views of the Teton Range.

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.

A trail running event in West Yellowstone, MT on July 11, 2026, organized by Wolf Pack Adventures. Multiple distances from 5K to 50K are offered with published entry fees and online registration ending July 11, 2026.

An 18 km point to point trail run from Cache Creek to Game Creek in Bridger-Teton National Forest on July 25, 2026. The course is chip timed and offers an event shirt, finisher medal and limited shuttle support back to Snow King.

A 3-mile trail race in Jackson, WY, that gains 1,535 feet from Phil Baux Park to the gondola summit; runners get a free ride down and should carry their own hydration. Entry is $40 and registration before July 19 secures a t-shirt.

August 2026

Trail races at Rendezvous Ski Trails near West Yellowstone Montana include marathon, half marathon, and 10K distances on Custer Gallatin National Forest trails. The event features chip timing, aid stations, and finisher medals.

The Farm Life 5k Trail Run will take place in Idaho Falls on Saturday 1 August 2026. You can run 5 kilometers.

Annual nonprofit uphill race at Jackson Hole Mountain Resort that climbs about 6.1 miles and 4,100 feet to the Aerial Tram summit via the Wildflower and Cirque Trails. Proceeds support the trails division of Friends of Pathways.

A multi-distance trail event in Island Park, ID featuring forest and meadow courses with 1k, 10k, 25k and 50k options, cupless aid stations, included post-race food and limited entries with a possible waitlist.

Trail races at Turpin Meadow Ranch in Jackson Hole on August 22, 2026 benefit the John Wayne Cancer Foundation. Distances include 30K, a half marathon and an 8K, with a shirt, finisher mug and podium prizes.

Trail races at Grand Targhee on August 29, 2026 cover 7.1 miles with 2,212 feet of vertical gain across Sport, Expert, and Pro divisions plus a volunteer category. Per race prizes and season points are awarded and the field is capped at 500..

October 2026

Zombie Mania on October 10, 2026 is a 5 km loop through Nature Park and Eagle Park where volunteers dressed as zombies try to steal runners' flag belts. A separate 1 mile costume run follows the same parks without zombies.

A Halloween morning trail race in Swan Valley, Idaho offering a 50K with 6,000 ft gain and a half marathon with 2,700 ft gain. The course runs on Fall Creek Road near Rainbow Valley Ranch and is close to Idaho Falls.

January 2027

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.

April 2027

Trail races of 55K, 30K, 12K and 5K take place around North Menan Butte in Menan, ID in April 2027, featuring volcanic rock, sand and sagebrush. Registration opens July 1, 2026.

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