Trail Running calendar near Island Park 2025-2026

We have found 13 Trailruns within 80 miles of Island Park. See below where and when you can find the races.

The Wrun for Wray Targhee Hillclimb is a challenging 4.2-mile uphill race with a 2,200-foot elevation gain, held at Grand Targhee Resort in Alta, Wyoming. This event honors the memory of Wray Landon and supports the Wray Landon Legacy Fund. Participants race from the base area to the top of Fred's m..

The Yellowstone Trail Race, held near West Yellowstone, Montana, offers a scenic trail running experience just outside Yellowstone National Park. Participants can choose from 50K, 25K, and 10K distances, all starting and finishing at the Rendezvous Ski Trails within the Custer Gallatin National Fore..

July 2025

The Grand Targhee Wildflower Run is a two-day trail running event held at Grand Targhee Resort in Alta, Wyoming, featuring four races: a 50K ultra, half marathon, 10K, and a 1K kids' race for ages 6-12. The 50K race on July 5th offers a challenging course along high-elevation ridgelines and famous t..

The Teton Mountaineering Cache Creek Trail Run will take place in Jackson on Sunday 6 July 2025. You can run between 18 and 18 kilometers.

The Teton Mountain Runs is a trail running event held at Jackson Hole Mountain Resort in Teton Village, Wyoming. It features three race distances: the Cody Peak 50K, Cirque 30K, and Wild 15K, taking place over two days in July. Runners experience world-class mountain trails within the Bridger-Teton..

The Yellowstone Trail Race, held near West Yellowstone, Montana, offers a scenic trail running experience just outside Yellowstone National Park. Participants can choose from three distances: 50K, 25K, and 10K, all starting and finishing at the Rendezvous Ski Trails within the Custer Gallatin Nation..

August 2025

The Farm Life 5k Trail Run takes place at the Bonneville County Fairgrounds in Idaho Falls, ID. This farm-themed event features a fun, flat 5k course that winds around corrals, horse barns, and fields, providing a unique rural running experience. Multiple water stations are available along the route..

The Harriman 25K/50K Trail Run, held annually at Harriman State Park near Island Park, Idaho, offers a scenic and well-curated trail running experience. The event features three distances: an 8.1-mile race, a 25K, and a 50K (two laps of the 25K course). Runners enjoy beautiful single-track trails th..

The Cirque Series at Grand Targhee, Wyoming, is a challenging 7.1-mile mountain running race featuring 2,212 feet of vertical gain. Starting at the base of Grand Targhee Resort (7,860 ft elevation), runners ascend steep service roads and single-track trails through scenic aspen groves and spruce for..

September 2025

The Big Bear Stampede is a trail running event held at Eagle Creek Campground in Gardiner, Montana, near Yellowstone National Park. Scheduled for September 6, 2025, it features 5k and 9k trail races with scenic views of Electric Peak and other Yellowstone peaks. The 9k course includes 1,000 feet of..

The Rut Mountain Runs is a three-day mountain running event held at Big Sky Resort in Montana, scheduled for September 12-14, 2025. It features a variety of race distances including a 50K, 28K, 21K, 11K, and the Lone Peak Vertical Kilometer, as well as a Kids 1K Runt Run. A special Trifecta challeng..

UTMB Index
December 2025

The Dizzy Horse Backyard Ultra is a unique winter ultramarathon held in Idaho Falls, Idaho, featuring a 4.167-mile loop through a diverse course of desert, grass, horse-race tracks, gravel roads, and occasional snow. Participants run one loop every hour until only one runner remains, making it a tes..

April 2026

The Spitfire Ultra Trail Challenge, held in Menan, Idaho, offers runners a unique experience on the North Menan Butte, an extinct volcano formed 10,000 years ago. The event features multiple distances: 55K, 30K, 12K, and 5K, catering to various skill levels. Participants traverse diverse terrain inc..