Trail Running Calendar United States 2025-2026

The Hills Are Alive Cross Country Race, now themed as the Ghostly Gallop Trail 5K, is held at Arrowhead Golf Course in Milton, Vermont. The 5K course runs along the scenic Laura’s Tears trail, offering a trail running experience with a festive Halloween atmosphere encouraging participants to wear co..

The Eno River Run is an annual running event held at Eno River State Park in Durham, featuring a choice of 6- or 11-mile courses. Participants can enjoy a unique autumn adventure that includes technical single track trails, a river crossing, and bouldering sections. The event promotes community invo..

The Cook Forest Highland Fall Scramble is a 12-mile trail running event held in Cooksburg, Pennsylvania, within Cook Forest State Park. The course follows the North Country Trail, starting near Miola Road and finishing at Shelter #1 in the park. Runners experience some of the most remote and scenic..

The Stone Steps 50K and 27K Trail Run are ultra marathon events held annually in Mt. Airy Forest, Cincinnati, Ohio, one of the largest urban parks in the U.S. The 50K race features a challenging loop course with over 10,700 feet of elevation change, combining a 5+ mile loop run four times and a 3+ m..

Big Brad Ultras is an ultramarathon event held in Pownal, Maine, featuring three race distances: a 25K, 50K, and a challenging 50-mile race. The course consists of a rugged 16.5-mile loop through Bradbury Mountain State Park, including trails over Tryon Mountain and around Snowman's loop, with rocky..

The Jacks Trail Race, held in Palm Coast, Florida, offers 12K, 24K, and 50K distances on the scenic MalaCompra Greenway Trail. This course features 95% single-track, hammock-shaded trails just steps from the Atlantic Ocean, with a short gravel section for spacing. Runners complete loops depending on..

The Halloween Horror 10k is a trail running event held at Conway Robinson State Forest in Gainesville, Virginia. The course features a loop through forest trails with some technical terrain and minor hills, with the 10k consisting of two laps of the 5k route. The event welcomes both runners and walk..

The Powisset Farm Trail Run - Fall is a scenic trail running event held at Powisset Farm in Dover, Massachusetts. Scheduled for October 26, 2025, it offers four race distances: 8.3, 5.6, 3.1, and 1.5 miles, traversing trails through Powisset Farm and the neighboring Noanet Woodlands. The course feat..

Haunts & Hallows is a half marathon trail race held in Virginia Beach, VA, at First Landing State Park. The course features gently rolling trails with about 300 feet of elevation gain, including roots, bridges, and sandy sections, offering scenic and varied terrain. The event fosters a supportive co..

The Allerton Park Trail Run, held at Robert Allerton Park and Retreat Center in Monticello, Illinois, features a challenging 5.7-mile trail run and a 2-mile nature walk. The course follows the Sangamon River and includes natural obstacles like hidden roots, ruts, and sharp turns, offering a rugged t..

Extreme North Dakota's Terrifying Run Amongst Innumerable Lost Souls is an annual Halloween-themed trail running event held at Turtle River State Park in Arvilla, North Dakota. The race offers multiple distances including 6, 12, and 24-hour solo runs, a 12 or 24-hour team relay called Skeleton Army,..

The Oak Park Challenge is a 7-mile trail running event held in Huntsville, Alabama, featuring a challenging course that ascends and descends Monte Sano Mountain. The race follows a lollipop route starting from the Oak Park Trailhead, with approximately 1,000 feet of elevation gain. About 95% of the..

Machete Muertos 200 is an ultramarathon event held at Lake Perris, California, featuring multiple race distances including 10, 20 (Ruck Division), 50, 100, and 200 miles. The course consists of challenging loops with significant elevation gains—2,300 feet per lap for the 10 and 50 milers, and 4,500..

The Dinosaur Run is a versatile running event held at San Angelo State Park in San Angelo, Texas. The race features a single 5K loop course starting at Bell's Trailhead near the equestrian entrance. Participants can choose from multiple race options including 5K, 10K (two loops), and timed races las..

The 2025 Backyard Ultra, titled "Day of the Dead Land of Enchantment," is a unique endurance running event held at the scenic Prehistoric Trackways National Monument in Las Cruces, New Mexico. This "last runner standing" race features a 4.167-mile loop on well-maintained crushed gravel trails with s..

Froggy's Freaky Friday 24 Hour Race is a unique ultramarathon event held in Galax, Virginia, hosted by Froggy Mountain Adventures. Taking place on Halloween night, the race features a challenging 1-mile loop with 500 feet of elevation gain, set in a campground with a spooky, haunted forest atmospher..

The Silver Falls Trail Runs, held at Silver Falls State Park in Silverton, Oregon, offer a variety of scenic trail races including a 5K, 7 Miler, Half Marathon, Marathon, and a challenging 50K ultra. The courses feature beautiful natural settings with elevation changes, mud, rocks, and creek crossin..

The Silver Falls Trail Half Marathon takes place at Silver Falls State Park in Silverton, Oregon, offering one of the most scenic and beautiful trail running experiences on the West Coast. The course has been featured in Runner’s World and voted the best Oregon trail half marathon. Runners enjoy a c..

The Silver Falls 5K Trail Run is part of the Silver Falls Trail Runs event held at Silver Falls State Park in Silverton, Oregon. This scenic 5K course starts and finishes at the South Falls Day Use Area, beginning with a short paved road segment before transitioning onto a paved path leading to the..

The Conquer the Castle Trail Race, set for November 1, 2025, at North Chagrin Reservation in Willoughby Hills, OH, offers a variety of challenging distances including a new 20 Mile Ruck option. Participants can choose from 100K, 50K, 20 Mile, 10 Mile, and 5K races, all featuring chip timing and cust..