Trail Running Calendar United States 2026-2027

Man Against Horse is a unique endurance race in Arizona where runners and riders compete over 50-mile, 25-mile, and half marathon courses. The event, born from a 1983 bar bet, includes a banquet and supports local charities. It features a c..

Join the Big Bear SquaTCh South for a tough, scenic trail run through Harriman State Park. Choose from a challenging half marathon or 10K on technical, rocky terrain with plenty of elevation. Your registration helps maintain the trails you'..

Trail races in Upper Bidwell Park near Chico featuring a half marathon with a steep early climb and a 4 mile endurance loop that can repeat hourly for up to eight hours.

A 13.1 mile trail half marathon at Silver Falls State Park in Silverton, Oregon on October 18, 2026. The field is limited to 1100 runners, will use two wave starts, and registration opens August 1, 2026.

The Clinton Road Zombie Run transforms New Jersey's famously eerie road into a themed race. Participants can choose a Zombie Crawl, 5k, or 10k, navigating a course lined with zombie volunteers. A festive finish line includes music, costume..

Experience scenic singletrack and natural terrain at Hahamongna Watershed Park in Pasadena with options for a trail half marathon, 10K, or 5K on Sunday, October 18, 2026. Perfect for trail runners seeking a challenging yet runnable course.

Many Lite in Castile, NY is a 20 mile trail run and a 20 mile hike through Letchworth State Park, featuring waterfalls, overlooks, and peak fall foliage. Registration is limited and requires a fee.

Tackle the technical trails of Fort Mountain State Park in this 17th annual trail running weekend. Choose between a marathon with 5,500 feet of climbing or a 12-mile race, both featuring scenic fall foliage and a mysterious ancient wall. Fi..

Dirt Circus Dallas is a free community trail running festival in Flower Mound, Texas, featuring a casual 5K group run, an expo with local vendors and race directors, food, and a raffle. The event is cupless and does not allow dogs except se..

A classic four-race trail series in Colorado Springs parks, with distances growing each week from 3.8 to 7.4 miles. Awards celebrate those who complete the entire cross-country challenge. The long-running event enforces strict safety rules..

Choose your challenge on the scenic trails of Lake Fairfax Park. Run a 5.1-mile lap or double it for a 10-mile test on singletrack paths with natural features. Support a local charity while tackling this trail run.

Two trail events at Smith Mountain Lake State Park start and finish at the Beach Pavilion. Courses use doubletrack trails with lake views, marked routes and support stations; park entry fees are included with registration.

Event Overview The West Side, Best Side 5K Trail Run is a trail running event held at Shawnee Lookout Hamilton County Park in North Bend, Ohio. It is the final event of the Dirt Days Trail Series, offering participants a last opportunity to..

A late-October trail event near Huntsville, AL offering marathon, half marathon and 10K. Entries include a hooded sweatshirt, finisher medal and post-race meal; aid stations are cupless so bring a reusable bottle or cup.

Event Overview The Mariners Bethel Trail Run is a multi-activity event at Camp Barnes in Frankford, Delaware. The main events are a 6.2 Mile Trail Run and a 3.1 Mile Trail Run. There are also three walking options of 1, 2, or 3 miles, and a..

Choose your trail challenge in Kanawha State Forest. Run the scenic half marathon or the 7K on winding forest roads, all as part of the West Virginia Cryptid Race Series. The event offers finisher medals and takes place on October 18, 2026.

Explore the scenic trails of 100 Acre Woods in Malta, New York. This community event on October 18, 2026 features 2k, 3k, and 5k trail runs. All proceeds support local trail maintenance.

Methodist Mountain Ultra The Methodist Mountain Ultra (MMU) is a trail race set on the Methodist Mountain trail system near Salida, Colorado. It takes place at the northern end of the Sangre de Cristo mountains. The event features two dista..

A point to point ultramarathon in Arkansas on singletrack with long climbs, satellite GPS tracking, multiple distances from 25K to 100 miles, and substantial elevation gain for each race.

This rugged endurance trail race in Texas Hill Country is built on self-sufficiency. Runners cover distances from 5 to 100 miles over a rocky, technical loop. It’s a cupless, self-supported adventure with marked trails, family activities, a..