Trail Running Calendar United States 2025-2026

Outlaw WinterRock is a trail running event held at Elk City Lake in Independence, Kansas, featuring 25K and 12K distances. The course is a technical, mostly single-track out-and-back route along the Elk River Hiking Trail, winding through limestone bluffs, rock formations, and scenic vistas. Aid sta..

The Carolina Beach State Park Trail Half Marathon & 5K is a scenic trail running event taking place in Carolina Beach, NC. Scheduled for January 3, 2026, the race features two distances: a half marathon (13.1 miles) and a 5K (3.1 miles), catering to runners of all skill levels. Participants will enj..

The Lost Coast 55K is a challenging ultramarathon held in Humboldt County, California, starting at the Horse Mountain Creek Trailhead near Whitethorn. Covering 34.3 miles with approximately 6,500 feet of elevation gain, the course features a mix of rough backcountry gravel roads, quiet pavement, and..

The Atlanta Fat Ass 50K is an annual running event held at Sweetwater Creek State Park, offering a fun and low-key atmosphere since 1994. Participants can choose between a 50K or 25K distance, with the course consisting of six loops on scenic trails. This event encourages runners to burn off holiday..

The XTERRA White Tanks Trail Run is an off-road trail running event held at White Tank Mountain Regional Park in Waddell, Arizona. Set in a rugged 30,000-acre park known for its distinctive white granite formations, the event offers a scenic and challenging experience. The race day features multiple..

The Snowy Owl 10 Mile is a challenging trail race held at York River State Park near Williamsburg, VA. The course features a mix of terrain including five miles of technical single track trails, about three-quarters of a mile on paved road, and the remainder on dirt fire road trails. Runners will en..

The Del Dios Trail Race, known as the "Race of the Gods," is an annual trail running event held at scenic Lake Hodges in Escondido, California. The 11th edition features multiple race distances including a 50K, half marathon, 10K, and 5K, all set on dirt service roads and single-track trails. Elevat..

The HOKA Bandera Endurance Trail Race, organized by Tejas Trails, is an annual event held in early January at the Hill Country State Natural Area in Bandera, Texas. It offers multiple race distances: 100km, 50km, 25km, and a youth 1-mile race. The race features rugged, technical trails with signific..

The St. Croix 40 Winter Ultra is a challenging 40-mile winter endurance event held in Hinckley, Minnesota, within St. Croix State Park.Participants can choose to compete on foot, skis, or fat bikes, navigating the course overnight through cold conditions. This race emphasizes survival skills, requir..

The San Diego 50 Mile & Trail Marathons is a diverse running event taking place in Escondido, California, featuring multiple race options including a 50-mile ultra marathon, trail marathon, marathon relay, heavy half marathon, and various shorter distances for all ages. The event emphasizes inclusiv..

The Frozen Gnome is a challenging winter trail running event held in Crystal Lake, Illinois, at Veteran Acres park. Featuring a triple black diamond-rated course, the race offers a 50K ultra run, a 10K race, and relay options for teams of two or five. The course consists of a scenic 10K single-track..

Lost in Miami Ultra is a unique 18-hour fixed-time ultramarathon held in Miami, Florida, where runners navigate their own routes through the city to visit required landmarks. Unlike traditional races, there is no set course or loops; participants receive a list of landmarks the day before and plan t..

The San Tan Scramble is a trail running event held at San Tan Mountain Regional Park in Queen Creek, Arizona. It offers multiple race distances including 50K, 26K, 17K, 9K, and 5K, catering to a range of runners. The courses traverse the scenic foothills of the San Tan and Goldmine mountain ranges,..

The FroMoMoFo 20 Miler and 10 Mile Fun Run is an exciting winter trail running event taking place at the Morgan Monroe State Forest in Martinsville, Indiana. Participants can choose between a 20-mile run, which consists of two loops of the scenic Three Lakes loop trail, or a 10-mile run with one loo..

Dark Anchor is a unique 34-hour timed ultra running event held in Savannah, Georgia, within the scenic Wormsloe area. The course features flat, soft 3.5-mile loops centered around a main aid station and a distinctive Pepsi machine that runners touch each lap. Participants can choose from distances i..

The Coldwater Rumble Trail Runs take place at Estrella Mountain Regional Park in Goodyear, Arizona, featuring multiple distances including 100 miles, 100K, 60K, 40K, 10 miles, and 5 miles. The courses wind through desert trails at the foothills of the rugged Sierra Estrella mountain range, offering..

The Whiskey Tango Foxtrot (WTF) Trail Half Marathon & 5 Mile is a winter trail running event held in January at Northeast Park in Gibsonville, North Carolina. Participants can choose between a half marathon and a 5-mile race, both set on scenic trail courses. The event offers a unique winter running..

The Huff 'n Puff Trail Races in Jackson, GA, offer a challenging and scenic trail running experience with marathon, half marathon, and 5K distances. Held at Dauset Trails, the marathon and half marathon courses feature mostly single-track trails with rolling hills, roots, rocks, and technical sectio..

The Long Haul 100 is a premier ultramarathon held at Colt Creek State Park in Lakeland, Florida, featuring a 100-mile race and a shorter 100-furlongs (12.5 miles) event. The course consists of six 16.7-mile loops through scenic Florida wilderness, home to diverse wildlife such as bald eagles and all..

The MAD Backyard Ultra is an endurance running event held in East Ridge, Tennessee, featuring a challenging format where participants run a 4.1667-mile loop every hour until only one runner remains. This race serves as a qualifier for The Big Dog's Backyard Ultra and tests both physical and mental s..