Trail Running Calendar United States 2025-2026

The Great Springs Trail Race in San Marcos, Texas, is a vibrant trail running event held at the Purgatory Creek Natural Area. Offering distances of 10K, 13.1 miles (half marathon), 26.2 miles (marathon), and a youth 1-mile race, it features a scenic course with single-track trails, rolling hills, ro..

The Free State Trail Run, held in Meriden, Kansas, offers challenging distances including a 40-mile, marathon, half marathon, and quarter marathon. The race takes place on a 6.75-mile single-track loop trail through a hardwood forest with rocky, technical terrain and moderate elevation changes. Runn..

Go Wild Marin 4 Hr is an adventurous trail and wilderness scramble held on the Tiburon Peninsula in Corte Madera, California. Participants compete individually or in teams of up to five, using a custom map to locate as many as 24 checkpoints scattered across trails and wild areas within a four-hour..

The Great Pumpkin Chase is a festive fall running event held at Lake Elmo Park Reserve in Minnesota. It offers multiple race distances including a 10k, 5k, and a kids' 0.5-mile fun run, with an option to complete both the 10k and 5k in a "Double Up" challenge. The scenic trail course winds through t..

The Rick O'Donnell Memorial Ultra Challenge is an annual trail running event held in Mount Airy, Maryland, hosted by the Frederick Steeplechasers Running Club. The 13th edition takes place at Milkhouse Brewery at Stillpoint Farm and features three race options: a 5-mile trail run, a 4-hour challenge..

The Fallasburg 5K Trail Race will take place in Lowell on Sunday 12 October 2025.

The 13 Ghosts Half Marathon, 13K, and 4 Mile Trail Run is a spooky-themed trail running event held at Addison Oaks County Park in Leonard, Michigan. Scheduled for October 12, 2025, it offers three distances: a half marathon (two loops), a 13K (8.1 miles), and a 4-mile run or walk, all on varied terr..

The Mystery Mountain Marathon & 12-Miler is an annual trail running event held at Fort Mountain State Park near Chatsworth, Georgia. The race offers two distances: a challenging marathon with approximately 5,500 feet of elevation gain and a 12-mile trail run. Participants traverse rugged, technical..

The North Bend Skyline 30K is a challenging trail running event held in the scenic Snoqualmie Valley, Washington. Part of the Vert Running Series Championship, it features a demanding course that tests runners' limits while offering stunning views of the valley and Cascade Mountains. The event takes..

The John Lawson Tamalpa Challenge is a cross-country running event held annually at China Camp State Park in San Rafael, California. The 2025 edition features three races, each approximately 4.2 miles long, primarily on rolling single-track trails with a short stretch on asphalt. The event honors Jo..

The Rocky Gap Trail Run, hosted by EX2 Adventures, takes place at Rocky Gap State Park in Flintstone, Maryland. This ultra-distance trail running event offers 25K (~16 miles) and 50K (~32 miles) races, as well as relay options for teams of 2 or 3. The course features three distinct loops—Loop A (6.5..

The Land of Light 100k is a unique endurance event held in Norway, Maine, featuring a combination of running and cycling across six distinct trail systems. The race covers a total of 100 kilometers, with 25k of running and 75k of cycling, all human-powered without the use of cars between segments. S..

The Mohawk Mountain Race, held at Mohawk Mountain Ski Area in Cornwall, Connecticut, offers a challenging trail running experience with 5K, 10K, Half Marathon, and Marathon distances. The course features steep ascents and descents on ski mountain trails, including the Wildwood, Timber, Pine, Laurel,..

The West Side, Best Side 5K Trail Run is part of the Dirt Days Trail Series held at Shawnee Lookout Hamilton County Park in North Bend, Ohio. This scenic trail run covers approximately 3.44 miles (5.54 km), combining two nature trail loops—Blue Jacket and Little Turtle—offering breathtaking views of..

The Green Monster Trail Challenge is a demanding trail running and hiking event held in the scenic Tioga State Forest near Wellsboro, Pennsylvania. Offering three distance options—15K, 25K, and a challenging 50K—the course features rugged terrain with steep climbs (up to 7,800 feet total ascent for..

The Paine to Pain Trail Half-Marathon is a distinctive trail race held in Westchester County, New York, starting at the historic Thomas Paine Cottage in New Rochelle and finishing at New Rochelle High School. This 13.1-mile single-loop course traverses the woods and trails of five different parks, o..

The HoliTrot Fall Festival Trail Run is a family-friendly running event held at HoliMont, America's largest private ski resort located in Ellicottville, New York. The event features a kids' race and a 5K trail run, offering participants a chance to enjoy the scenic trails of HoliMont in the fall. Kn..

The Never Stop Running Foundation Great Pumpkin Dash Trail 5K is a scenic trail run/walk held at Blydenburgh County Park in Smithtown, NY. Scheduled for October 12, 2025, this event features a 5K course through shaded trails combining dirt roads and hard-packed paths with some sandy areas, suitable..

The Chattanooga Mountains Stage Race is a challenging three-day trail running event held in the scenic mountains around Chattanooga, Tennessee. Covering a total of 60 miles, the race features a 20-mile run on Signal Mountain, an 18-mile point-to-point course along the Cumberland Trail by North Chatt..

The Sunshine Camp Trail Mix & Beer Fest is an annual 5K trail race held at Rochester Rotary Sunshine Camp in Rush, New York. This event supports children and young adults with disabilities who attend the fully accessible summer camp. The course features a mix of paved sidewalks and natural dirt trai..