Trail Running Calendar Idaho 2026-2027

Ride the country's longest gondola to the start of this scenic mountain event featuring 13k and 2 mile trail routes. Enjoy two days of vendor expos and prizes at Idaho's Silver Mountain Resort.

The Foothills XC12K is a trail race in the Boise Foothills on August 22, 2026. It features 12K and 5K cross-country courses starting at the Military Reserve. Event proceeds support the Bogus Basin Nordic Team.

A community trail run in Boise on September 26, 2026, the 3rd Annual LESS Society Table Rock Run follows the 3.8 mile Table Rock Trail with roughly 900 feet of elevation gain. Proceeds support scholarships for Idaho students.

Get muddy in Lewiston at the LC Valley Down and Dirty Mud Run. This event mixes cross-country running with obstacle courses over 1 Mi and 3.2 Mi distances. It's open to all ages and skill levels for a fun, dirty experience.

Test your endurance in a Last Man Standing race where you must complete a 4.167-mile loop every hour until you're the only one left. Alternatively, take on the timed 3 Loop Challenge. This event is part of the Idaho Trail Ultra Series and o..

Take part in a Snake River Canyon tradition featuring a transition across the Perrine Bridge. Choose between 7.5 mile and 3.5 mile distances for a unique route through the Idaho landscape.

Experience a unique run or hike around symmetrical volcanic pit craters at this National Natural Landmark near Mountain Home. Choose between a 6.2 mile loop or a shorter out and back route with spectacular views.

The Idaho Mountain Trail Ultra Festival returns for its 15th year in McCall. This two-day event features a 100-mile and a 20-mile mountain trail race, serving as a qualifier for major ultras. Runners should be prepared for a serious, commit..

Join the Northwest Series at Hell's Gate State Park for a community oriented race day. Choose from distances ranging from a 5K to a 50K with no time limits and earned medals for all finishers.

Experience the extensive single track trails of the Boise Foothills in this premier trail event. Runners can choose between 50 mile, 50K, and 27K distances starting from Fort Boise.

Experience the autumn colors of Idaho with a Half Marathon or 55 km Ultra Marathon through the rugged trails and high alpine peaks of Sun Valley.

Moscow Mountain Madness invites trail lovers to tackle 5 mile, half marathon or 50k courses across technical single track and forest scenery. Tough terrain, aid stations and authentic backcountry vibes make it a memorable mountain run.

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.

Run through the fall colors of Ponderosa State Park in McCall. Choose your distance in this 50K, 30K, or 20K trail run where every entry fee supports local trails. Join the new run club competition and contribute your miles to a yearly tall..

The ZD30 the Summit is the culminating 30-mile ultra of a progressive running series in Boise. All distances are run/walk friendly with no cutoffs, welcoming everyone from first-timers to experienced runners. Proceeds support a veteran-led..

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.

Experience a winter trail race through the Reynolds Creek gorge and Wilson Peak in Idaho. Choose between 10 mile, 20 mile, or 50k distances featuring up to 6000 feet of elevation gain in the stunning Wilson Creek trail system.