Trail Running Calendar United States 2026-2027

This community 5K in Wauseon's Homecoming Park features a scenic route through woods and fields. The event promotes pollinators and gardening, with post race activities, refreshments, and prizes.

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.

Run under the stars at Usery Mountain Regional Park. Choose from four distances on a flat, fast course through the desert trails. This event is part of the summer Insomniac Night Trail Run Series.

Test your endurance in Alaska's Hatcher Pass. Runners tackle a 4.167-mile trail loop every hour, with the last person standing declared the winner. The event follows classic Backyard Ultra rules and is limited to 75 participants.

Test your endurance at Windsor Castle Park with timed races ranging from two to ten hours on a scenic trail loop. This manually timed event features a support station and options for both runners and ruckers.

Experience a multi distance trail event at Rocky Hill Ranch in Smithville. Run through shaded pine forests on a 10km single track loop with distances ranging from 10km to various ultramarathons and relays.

A trail running event at Devil's Lake near Baraboo, WI on July 11, 2026, offering distances from 10K to 50 miles, marked courses with aid, post-race food and a finisher medal.

Test your endurance on the rugged trails of the Medicine Bow National Forest with 24 hour, 12 hour, and single summit challenges. Experience a technical mountain course while supporting a meaningful cause for veterans.

Trail races at Muscatatuck County Park on July 11, 2026, offering mapped 5K and 15K courses, festival camping, kayak shuttle trips, and mountain bike events, with medals for overall and age-group top finishers.

This trail run in Naples, NY explores the scenic High-Tor Wildlife Management Area. The course starts in the community park, features significant climbs on the Finger Lakes Trail, and passes multiple aid stations. Runners can choose between..

The Spaulding Woods 50K is a technical trail race on a 5.6-mile loop in Northfield, New Hampshire. Runners complete six laps, with 4,400 feet of elevation gain, within a ten-hour limit. The event supports Spaulding Academy & Family Services..

Explore Akron's trails with this July event, starting downtown and winding through Summit Metro Parks. Choose from Marathon, Half Marathon, or 10K routes, each mixing city paths with rugged natural terrain. All finishers earn a medal, with..

Experience a high altitude mountain run on the slopes of Mt. Baldy Resort. This 5k course features a 1500 foot climb through scenic trails ending with a sunset celebration and BBQ dinner at the Top of the Notch.

Test your limits at Indiana's largest endurance event on the Butler University campus. Run solo or as a team for eight hours through varied courses before enjoying a celebratory cookout and live music.

Run the TARC Blue Hills Skyline 12K on June 21 in Milton, MA, tackling about 2,300 feet of climbing on rocky, technical Skyline trails. Stair climbs and panoramic Boston skyline views make this a memorable trail challenge.

The Dark and Dirty Miles is a nighttime trail run at Twin Mountains Offroad Park in Oklahoma. It features multiple distances, including a Ruck division requiring a 10 lb weight. The event offers a party atmosphere with post-race meals and f..

The Chernisky Classic offers 5K and 10K runs on the scenic Ghost Town Trail. It's a family day with a free kids' race and firefighter interaction. All proceeds support local firefighter training.

Run along the Bear River in Wyoming on a course combining greenways and groomed trails. Choose from 10k, half marathon, or 17-mile distances, all with generous cutoffs. Enjoy river bottom scenery and views of the Uinta Mountains.

Experience a fast and flat race on the Coal and Coke Trail in Pennsylvania. Run a ten or thirty mile course featuring crushed gravel paths, organic aid stations, and unique handmade finisher medals.

Run With The Wild in Seeley Lake features 1K, 5K and 10K courses on Seeley Creek Trails, a free pancake breakfast for participants, plus awards and prize drawings. Strollers and leashed dogs are welcome.