Trail Running Calendar United States 2025-2026

Twilight 12 Hour is a community trail-running event held at Flying Horseshoe Ranch in Cle Elum, Washington. The format centers on a 2.3-mile loop through diverse terrain, including single-track trails, ravines, a creek crossing, and a gravel descent that closes the loop. It’s described as not a race..

Falling Water Ultras takes place near ACE Adventure Resort in New River Gorge National Park, West Virginia. The race offers 100K solo, 50K solo, and 100K relays (2- or 4-person) with 24-hour and 12-hour cutoffs. The course features four 15.5-mile loops on ACE trails and park terrain, delivering abou..

Join Trail Animals Running Club for the TARC Spring Classic at Jericho Town Forest in Weston, Massachusetts. The event offers 10K, Half Marathon, Marathon, and 50K distances, with a flat, smooth course crafted around a single 10K loop repeated for longer distances. Start/Finish at 292 Concord Road.C..

The Run The Rolling Hills Trail Race is an annual event held in Pulaski, Tennessee, featuring 10K, 5K, and Kids 1 Mile trail runs. Set against the scenic backdrop of Giles County's rolling hills, the course offers a fun yet challenging cross-country experience through beautiful countryside terrain...

Squatchywaska Mountainfest is a mountain trail race in Ellenville, NY, offering two courses: 25K and 10 miles. Runners traverse rugged singletrack, cliffs, and crushed-gravel carriage roads on the Shawangunk Ridge, with about 2,500+ ft of elevation on the 25K and around 1,800 ft on the 10M. The rout..

Virginia Run for Cancer is a 24-hour running event in Hampton, Virginia at 1255 Big Bethel Road. It offers 24-hour solo and team formats with a 3.75-mile flat dirt nature park trail lap that participants complete repeatedly. The course is USATF-certified (VA12075RT) and walkers of all abilities are..

The Ridge Run is an annual fundraiser by the Veterans Heritage Site Foundation to support Sharps Ridge Veterans Memorial Park. The event begins at Lincoln Park Technology Trade School, 535 Chickamauga Ave. Participants tackle a looped, well-marked course on the Sharps Ridge trails, featuring wooded,..

Wawayanda Trail Fest takes place in Wawayanda State Park, Vernon Township, Hewitt, NJ along the Boat Launch/ Highland Lakes area. The festival offers four race distances: 100K, 50 Mile, 50K, and Half Marathon. The course features a 26+ mile loop with mostly wooded single-track, rhododendron tunnels,..

The Dunes 50K Ultra & Heavy Half is a challenging trail running event held at Jonathan Dickinson State Park in Hobe Sound, Florida. The race features two main distances: a 50K ultra and a 14.4-mile Heavy Half marathon. Participants traverse over 11,000 acres of diverse terrain, including 16 unique n..

Sinister Night Runs unfolds at San Tan Mountain Regional Park in Queen Creek, AZ, offering multiple night-distance options: 54K (34.3 miles), 27K (17.12 miles), 18K (11.4 miles), 9K (5.7 miles), and 6K (3.8 miles). Runners tackle a 9 km loop on the San Tan, Hedgehog, and Littleleaf Trails in a count..

Childish Nonsense is a trail running event held in Palatine, Illinois, at Deer Grove Forest Preserve West. It offers multiple distances: 10K, 25K, 50K, and 50 miles, with courses consisting of laps on a mostly wide, non-technical trail. Runners encounter a single aid station at the start/finish area..

Leatherman's Loop is a popular 10K trail race held annually in the spring at Ward Pound Ridge Reservation in Cross River, New York. The event attracts runners aged 7 to 107 and features a scenic course through natural trails. Due to high demand, entry is determined by a lottery system.The registrati..

Oxbow Trail Runs is a family-friendly trail race at Oxbow Regional Park, outside Gresham on the Sandy River, about 30 minutes from downtown Portland. Runners choose from 5k, 10k, and Half Marathon distances. The course winds through the Ancient Forest and Elk Meadow with river views; the Half Marath..

Jack Bristol Lake Waramaug Ultra Races run around Lake Waramaug in Kent, Connecticut, offering 100K, 50M, and 50K. One of the oldest ultras in the United States, it marks its 52nd anniversary in 2026 as part of the Mount to Coast 100K Series. The rolling, mostly flat course uses paved roads around t..

Salt Flats Endurance Runs is a desert ultramarathon in Wendover, Utah, anchored at the Bonneville Salt Flats International Speedway. Runners choose from 100 mile, 100K, 50 mile, 50K distances, plus a 5K fun run and a 10K. The courses traverse the salt flats—the same stretch where land-speed records..

Coyote Two Moon takes place in the Los Padres National Forest near Ojai, California. The event offers multiple distance options: 100 miles, 100K (roughly 62 miles), 55 miles, 55K (34 miles), 30K (about 18 miles), and 10K (about 6.5 miles); a brand-new 50K distance is also noted. The course features..

WausaUltra in Sylvan Park, Wausau, Wisconsin, offers three formats: Limitless (last-runner-standing), Solo, and Double. All races share a 4.167-mile all-trail loop that threads through woodlands, climbs, and a creek-side descent, with a welcoming home base for tents, aid, bathrooms, and parking betw..

Farm Park Challenge is a trail running event at Agricultural History Farm Park in Montgomery County, Maryland, presented by My Muddy Shoes. The race offers multi-hour lap formats: 3-Hour, 6-Hour, and 10-Hour challenges, totaling 3, 6, or 10 laps, each start at the top of the hour and must be complet..

The Heartland 50 is an ultramarathon event held in Cassoday, Kansas, featuring 50-mile, 50K, and 25K distances. The race takes place on an out-and-back course primarily on backcountry gravel roads with less than a mile of pavement, winding through the scenic Flint Hills tallgrass prairie. The course..

Glorieta Twelve Hour Endurance Run is a destination trail event at Glorieta Adventure Camps at the southern terminus of the Sangre de Cristo Mountains in Glorieta, New Mexico. Runners have 12 hours to complete as many 3.2-mile trail loops as desired, with two options: 12-hour RUN and 12-hour RUCK. T..