Trail Running calendar near Island Park 2026-2027

A two-day trail weekend at Grand Targhee on July 4 to 5, 2026 with 50K, 22K, 10K and a 1K kids race; races are capped at 200, aid stations are stocked, and cash prizes are offered for top 50K finishers.

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.

A trail race at Big Sky Events Arena on July 12, 2026 offering 15 miles, 6.2 miles, and a 3.1 mile team relay. Routes use BSCO trails with dirt paths and single track and include significant elevation gain and mountain views.

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 mountain trail race in Jackson, WY that climbs 1,535 vertical feet from Phil Baux Park to the Gondola summit; entry is $40, finishers get a free gondola ride down and awards are held at the summit.

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.

Trail runs at Harriman State Park near Island Park Idaho feature 1k kids through 50k distances across forest and meadow singletrack with on-course aid, cupless provisions, finishers medals and limited entries.

A trail running event at Turpin Meadow Ranch in Jackson Hole on August 22, 2026, featuring 30K, half marathon and 8K courses with Grand Teton views. The run benefits the John Wayne Cancer Foundation and includes finisher items and podium pr..

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..

A multi day mountain running celebration in Big Sky, Montana in September 2026, featuring races from a 1K Runt Run to an 84K Trifecta and a Lone Peak Vertical Kilometer. The 2026 event is sold out except the free 1K Runt Run.

An off-road 18.2 mile trail race with 2,609 ft of climbing through Paradise Valley and Emigrant Gulch, featuring creek crossings, three aid stations, marked technical terrain, and a finish at Chico Hot Springs.

A playful 5 km loop through Nature Park and Eagle Park where volunteers acting as zombies try to steal runners' flags. A separate 1 mile costume run has no zombies and suits participants who prefer a gentler experience.

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.