Trail Running Calendar United States 2025-2026

Run for the Range Half Marathon takes place at Fall Creek Ranch in Granbury, Texas. The event also includes a 5K, 10K, and a Couch Conservationist option. Runners traverse about 1,500 acres of wide-open Texas landscape on dirt single and wide-track trails, featuring rolling hills and creek crossings..

GTR 2026 is a trail running event held in Braggs, Oklahoma, at Gruber ORV Park (Highway 10 and Tyler Rd). The race offers three distance options: 5-mile, 10-mile, and 20-mile trails, catering to a range of abilities. The course features a single 5+ mile loop on moderately technical terrain, making f..

The Devil's Shadow Winter Trail Races take place at Mendon Ponds Park in Honeoye Falls, NY, featuring 5-mile, 25k, and 50k distances. The event is part of the Common Ground Winter Trail Series, promoting winter trail running and community spirit. The course is a roughly 5.1-mile loop around Devil's..

Arches Ultra takes place in Moab, Utah, offering four distances: 50 Mile, 50K, Half Marathon, and 9K. The course follows a lower-elevation route along the border of Arches National Park, using Bar M, Klonzo, and Klondike Trail Systems, with views of Moab cliffs, Arches National Park, and the snow-ca..

HAROC (Hanging Rock Challenge) is a trail running event held at Hanging Rock State Park in Danbury, North Carolina. It features two race distances: a challenging 50K ultra with approximately 5,100 feet of elevation gain over 30.6 miles, and a 25K race covering 15.8 miles with about 2,800 feet of ele..

Located at Rockburn Branch Park in Elkridge, Maryland, the Mid-Maryland Trail Festival 50k is a 31-mile ultramarathon built from six loops of about 5.18 miles through wooded trail terrain. The event also offers a 50k relay, allowing teams of up to six runners to share the distance with exchanges aft..

Oracle Rumble is an endurance trail run near the historic town of Oracle, Arizona, just north of Tucson along the Santa Catalina Mountains. The event offers multiple distances—50 miles, 50K, half-marathon, 12K, and 5K—mostly on single-track through Oracle State Park and remote sections of the Arizon..

Castlewood Cup returns for its 18th year on January 31, 2026, at Castlewood State Park in Ballwin, Missouri. The 15-kilometer trail race courses through Castlewood’s renowned single-track, offering a scenic mix of hills, switchbacks, and occasional flat sections. As part of the Big River Trail Serie..

Forgotten Florida, a Run Bum Tours trail ultramarathon in Christmas, Florida, offers 100 and 50 mile, plus 15 and 8 mile distances. The 100/50 are point-to-point, beginning in Oviedo and finishing at Tosohatchee; the 50-mile course covers the first 50 miles of the 100. Most of the routes are 80% tra..

Greenleaf Trail Run (GTR) 2026 is a multi-distance trail race in Braggs, Oklahoma, at Gruber ORV Park. The 10th annual event offers 5-mile, 10-mile, and 20-mile options. The race features a 5+ mile loop on a moderately technical trail, providing a rugged, natural course for trail runners.This year m..

The Dahlgren Trail Half Marathon, held in King George, Virginia, offers a scenic out-and-back course along the flat, smooth Dahlgren Railroad Heritage Trail. This event features a 13.1-mile race on an old railroad bed, providing a comfortable and picturesque running experience. Participants enjoy ca..

The Pleasant Ridge Backyard Ultra is an endurance running event held at Pleasant Ridge Camp and Retreat Center in Marietta, South Carolina. This unique race challenges participants to run 4.167-mile laps every hour on the hour, continuing until only one runner remains able to complete a full lap. Th..

Sean O'Brien 100K/50M/50K/26.2/30K is a trail ultramarathon event in Calabasas, California (1925 Las Virgenes Road). It offers five distances: 100K, 50 miles, 50K, marathon, and 30K, giving athletes a range of challenging options on scenic trail terrain. The race is part of the Sean O’Brien Trail Ru..

Coo-Wah-Chobee 50k-25k-5k is a RunFluent event held at Carlton Preserve in Venice, Florida. The second annual race offers a single-loop 50k, plus 25k, 5k, and a youth 5k option, appealing to runners of varying abilities. Runners navigate a course that blends mixed single-track and dual-track trails..

Red Top Rumble is the 19th annual 11.5-mile trail race held at Red Top Mountain State Park in Cartersville, GA, about 45 minutes north of Atlanta. The course winds through moderate to easy wooded trails with several bridge crossings and offers views of Lake Allatoona. Start/finish are at the Visitor..

The Daydreamer is a trail running event held in Patagonia, Arizona, featuring 10k, 30k, and 50k race distances. Set along pristine, lesser-known sections of the Arizona Trail, runners experience the unique Madrean Sky Islands environment with views extending to Mexico. The event combines challenging..

The Algonquin 50K is a Delmarva Peninsula trail ultramarathon held in Pocomoke City, Maryland, with start and finish at Milburn Landing in Pocomoke River State Park. The approximately 31-mile course is a modified out-and-back on mostly trail, including single-track and wider horse paths. It’s genera..

Monterey Ultra is a 50-mile trail ultramarathon held at Fort Ord National Monument and Laguna Seca Recreation Area near Monterey, California. The course combines a 35-mile loop and a 15-mile loop, totaling about 7,080 feet of elevation gain and weaving through wide fire roads, twisting single-track,..

Arctic 5K Trail Race is staged by Campus Recreation at Hydaway Outdoor Center in Lynchburg, Virginia. The 3.1-mile course blends single-track trails with forest roads, delivering a wintry, challenging run as the fourth race in the Liberty Mountain Trail Series. In its 13th year, the event offers awa..

The Uwharrie Mountain Run is an annual trail running event held in central North Carolina’s Uwharrie National Forest near Ophir, NC. Celebrating its 35th edition, the race offers challenging winter single-track trail runs with distances of 8, 20, and 40 miles. The course features natural obstacles s..