Trail Running calendar near Idaho Falls 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 nonprofit, untimed 3 miles mud run in Jackson, Wyoming on April 18, 2026, organized by Community Entry Services. The event promotes playful participation, suggested donations, and offers a hot tub, snack and towel at the finish.

A trail race in Pocatello on May 9, 2026 offering 5K, 10K, a trail half marathon and a 30K on City Creek singletrack with updated routes and notable climbs.

Experience a mountain running event in Idaho featuring distances from 23 miles to a 100 mile ultra. Navigate technical trails with significant vertical gain while supporting environmental conservation and community inclusivity.

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.

A last man standing race on a 1.1 mile loop in Inkom, ID, with 240 ft of elevation gain per loop. Runners must complete each loop within 20 minutes and are removed if they do not return in time.

Trail races in Harriman State Park near Island Park, Idaho, offering distances from a 1k kids loop to a 50k two 25k-loop course, with aid stations, finishers medals and a post-race meal. Participation is limited to protect the park.

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 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.