Trail Running Calendar United States 2026-2027

A flat, timed endurance run on a scenic 2.5-mile loop in Eagle Island State Park near Boise. Choose from multiple timed events, a 100-mile race, or a team relay. The course is a fast dirt trail along the Boise River.

Choose your challenge at the Pirate's Cove timed endurance run, set on a scenic 2-mile loop around Lake Cuyamaca in the mountains. The event offers 6-hour, 12-hour, and 24-hour distances starting at 8 a.m., with on-site dining and supplies..

Event Overview The Three Days of Syllamo is a three-day ultrarunning stage race. Participants can run one, two, or all three days. The event consists of a 50k run on Friday, a 50-mile run on Saturday, and a 20k run on Sunday, totaling appro..

Event Details The Dogwood Ultra Marathons are held every March at Twin Lakes State Park in Green Bay, Virginia. The event offers several formats: a 10 Mile race, 12 Hour, 24 Hour, and 48 Hour solo runs, and relay options for each time domai..

The Big Alta is a scenic trail running weekend in Marin County, California. It offers three challenging distances: a 100K point to point, a 50K loop, and a 28K loop, all summiting high points for vast Bay Area views.

Experience a variety of trail events through the hills and woods of Holliday Park. Choose from a five mile timed run or shorter family friendly hikes featuring natural obstacles and river views.

Experience the scenic McCullough trails with distances from a 1 mile kids run to a 50 km ultra. Enjoy single track terrain and panoramic views of Las Vegas while benefiting from full aid station support and post race meals.

Experience a North Texas tradition at the LBJ National Grasslands near Decatur. Choose from distances ranging from 15K to 100 miles on trails featuring rolling hills, pine forests, and open fields shared with local livestock.

Challenge yourself on the scenic, non-flat trails of Soldiers Memorial Park in LaPorte. Choose between a winding 10K loop or a two-lap Half Marathon, with festivities at the finish. The event supports youth runners and offers financial aid..

This low-key trail race in Indiana's Owen-Putnam State Forest is an annual tradition. Runners can choose from four distances on a scenic, predominantly single-track lollipop course. The event is cupless, requiring participants to carry thei..

Experience the red rock beauty of Moab at the Canyonlands Half Marathon and 5 Mile. Run a traffic free course along the Colorado River parallel to Arches National Park with professional support and a festive finish.

Explore the wild beauty of Florida's Hungryland Slough on a 14.3-mile loop through diverse ecosystems. Choose the 33-hour challenge to run multiple loops or test your speed in the 6-hour race. This flat but unpredictable trail adventure has..

Experience a coastal ultramarathon on Bald Head Island featuring maritime forest trails and miles of wild beach running. Choose between 50km and 51 mile distances starting from the historic Old Baldy Lighthouse.

Experience a diverse trail festival in Hutto, Texas, featuring distances from 5K to 50K. Runners can enjoy wooded trails along with access to saunas, cold plunges, and fitness amenities at the Hippo Social Club.

Choose from three trail distances—50K, 25K, or 10K—starting from the Cool Staging Area in California. Each course features significant elevation change and a generous 10-hour cutoff for the longer races. All participants get a race shirt, a..

Run the length of North Carolina's Outer Banks from Corolla to Hatteras. Choose the 100-mile, 100K, or team relay on a paved coastal road. The finish line party is at The Wreck Tiki Bar.

The Terrapin Mountain will take place in Big Island on Saturday 21 March 2026. You can run between 13 and 31 miles.

The Old School returns to Lincoln Parish Park for its sixth year. This trail run features three distances on a looped course with classic mud and dirt. Expect aid stations, finisher medals, and local support.

Experience the breathtaking hills and canyons of Southern California with distances ranging from 10k to a 50k ultra. Run through lush spring landscapes and conquer challenging ridgelines with panoramic valley views.

Run through the scenic single track trails of Bothe Napa Valley State Park. Choose from marathon, half marathon, or 10K distances on this popular course. Participation is limited to 300 runners for the annual trail event.