Trail Running Calendar United States 2025-2026

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 Hills Are Alive Cross Country Race is set to take place at Arrowhead Golf Course in Milton, Vermont. This event features a 5K race on the scenic Laura’s Tears trail, welcoming runners aged 12 and older. Participants can pre-register online, with a fee of $15, and GMAA members receive a discount...

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 Silver Falls Trail Runs event offers a variety of scenic races at Silver Falls State Park in Oregon, including a 5K, 7 Miler, half marathon, marathon, and 50K ultra marathon. The courses feature beautiful trail routes through lush forests, with the marathon and ultra distances presenting challen..

The Silver Falls Trail Runs event, held at Silver Falls State Park in Oregon, features a variety of scenic races including a half marathon, 5K, 7-miler, marathon, and 50K ultra. The half marathon is renowned for its stunning course, highlighted by beautiful waterfalls and diverse trail terrain, maki..

The 2025 Backyard Ultra, known as the Day of the Dead Land of Enchantment Backyard Ultra, takes place at the scenic Prehistoric Trackways National Monument in Las Cruces, New Mexico. This unique "last runner standing" event features a 4.167-mile loop on well-maintained crushed gravel trails with som..

The Machete Trail Madness 100 Miler, held in Perris, California, is a challenging ultramarathon featuring a 10+ mile loop with 2,300 feet of elevation gain per lap. Participants run 10 laps for the 100-mile race, 5 laps for the 50-mile, and 1 lap for the 10-mile event. The race celebrates Dia De Los..

The Silver Falls Trail Runs is a scenic race event held at Silver Falls State Park in Silverton, Oregon, featuring multiple race distances including a 5K, 7 Miler, half marathon, marathon, and 50K ultra. The event showcases beautiful trail courses through lush forests, waterfalls, and rugged terrain..

The TARC Stone Cat Trail Festival, hosted by the Trail Animals Running Club, takes place at Willowdale State Forest in Ipswich, Massachusetts, offering a variety of race distances including 10K, half marathon, marathon, 50-mile, and 100K, along with a free youth fun run. Established in 2001, this ev..

The Rio Del Lago 100 Mile Endurance Run is a premier ultramarathon held annually in the scenic Sierra Nevada Foothills of California, about 40 minutes east of Sacramento. Starting at Beal's Point in Folsom Lake State Recreation Area, the challenging 100-mile course features diverse terrain including..

The Blackout 5k/10k is a mountain race held at Cranmore Resort in North Conway, NH, on November 1, 2025. Participants can choose between a 5K or 10K course, which features a mix of access roads and ski trails, illuminated with reflective flagging and LED lanterns. The event includes check-in, bib pi..

The Almaden Hills Trail Run - Fall takes place in Almaden Quicksilver Park, located in the scenic Almaden Valley near San Jose, CA. This trail running event offers a variety of distances including 50K, Trail Marathon, 30K, Half Marathon, 10K, 8 Mile, and 5K races. The course features a mix of approx..

The Glacier Hills Ultra is a trail running event held annually at Newton Hills State Park near Canton, South Dakota, typically at the end of October or early November. It offers three race distances: 20K, 30K, and 50K, each consisting of multiple loops on a challenging 10K course with approximately..

The Jungle Gardens 7K Trail, 5K Run & 1 Mile event takes place in Avery Island, Louisiana, and features multiple race options including a 1 Mile Fun Run, a 5K Run, and a 7K Trail Run, with both t-shirt and non-t-shirt options available. This event supports St. Jude Children's Research Hospital, aimi..

The ORRRC Broken Toe 50K & 25K & Ruck is an exciting trail running event taking place in Wilmington, Ohio, featuring a scenic course through wooded areas, rolling hills, and creek crossings. Participants can choose between a 50K ultra, a 25K run, or a rucking challenge, with the 50K runners completi..

The Montana Cup is a cross-country running event held in Bozeman, Montana, designed to unite runners from across the state. This team competition features various age categories for both men and women, allowing participants to race for a traveling trophy. The event emphasizes camaraderie among Monta..

Terror Trails Ultra is a trail running event held at Cane Creek Park in Waxhaw, North Carolina, offering distances of 4 miles, 8 miles, 25K, and 50K. The course features a mix of smooth, fast trails and technical sections with rocks, roots, creek crossings, and significant elevation changes. The 25K..

The Day of the Dead (Legs) is a challenging endurance running event held in Albuquerque, New Mexico, featuring the notorious Whitewash climb. Participants tackle a 10-hour mountain repeat challenge on Saturday, running up and down a steep, technical 0.5-mile trail with 500 feet of elevation gain per..

The 50K.U.M is an ultra running event held at the Michigan Technological University Tech Trails in Houghton, Michigan. It offers two race distances: a 25K single loop and a 50K double loop course through scenic wooded trails. The 50K race starts in the dark, requiring participants to use headlamps f..

The Moreau Half is a challenging 14-mile trail race held at Moreau Lake State Park in Gansevoort, NY. Taking place on November 1, 2025, the course features approximately 2,700 feet of elevation gain over technical, winding singletrack trails, making it a demanding event suited for experienced trail..