Trail Running calendar near Island Park 2025-2026

Soup In The Snow is a friendly winter trail outing near Irwin, Idaho to Lower Palisades Lake, about 8.6 miles round trip on snowy mountain and lakeside trails. Registration is free but required online and the day ends with a community potlu..

Run the Spitfire Ultra Trail Challenge on North Menan Butte, an ancient volcanic rim with sand, slick rock and sagebrush under wide Idaho skies. Choose from 5K to 55K routes that wind rim to center through dramatic terrain and possible wild..

Celebrate trail running July 4 and 5 at Grand Targhee in Alta Wyoming amid wildflower meadows, high ridgelines and Teton views. Choose from 50K, half marathon, 10K or a kids 1K for all ages and abilities.

Run high alpine trails amid wildflowers in Teton Village, WY at Teton Mountain Runs on July 11 and 12, 2026. Choose 15K, 30K or 50K courses and enjoy tram access, summit views and waffles at the top.

Run the 2nd Annual Running of the Bulls Trail Race in Big Sky, Montana, on scenic dirt and single track trails during Big Sky's Biggest Week. Choose 21K, 11K or a 5K relay and celebrate at Big Sky Events Arena with food trucks and awards.

Experience the Yellowstone Trail Race in West Yellowstone, Montana on August 1, 2026, from Rendezvous Ski Trails. Choose marathon, half marathon, or 10K on scenic, challenging trail terrain.

Run a challenging 7.1 mile mountain course at Grand Targhee on August 29, 2026, climbing over 2,200 ft and topping out near 9,920 ft. Expect steep technical trails, spectacular views, aid stations, and a competitive field capped at 500.

Join The Rut in Big Sky Montana Sept 11 to 13 2026 for a three day mountain running festival featuring trail races from 1K to 84K amid spectacular alpine scenery. Expect tough climbs, community energy, and epic views.