Trail Running Calendar United States 2025-2026

The Broad River Trail Run is a running event scheduled for October 11, 2025, in Shelby, North Carolina. Participants can choose between two race distances: a 10-mile run and a 5K. Both races start at the Ranger Station and follow scenic trails along the Broad River, offering a mix of terrain and bea..

Devil's Den Ultra is a challenging trail running event held in Bradford, Vermont, featuring a rugged 10K loop on Wright's Mountain. The course offers a mix of terrain, from runnable sections to steep, rocky, and root-filled trails, including a climb to the mountain peak and a wooded downhill. Runner..

The Arrowhead Endurance Run is a multi-distance ultramarathon event held at Arrowhead Lake Campground in Johnston City, Illinois. It features various race options, including a 24-hour race, a 12-hour race, a 6-hour race, a 3-hour race, and a 24-hour relay. The course is a 2.07-mile gravel loop aroun..

The Bizz Johnson event is a scenic running experience held on the Bizz Johnson Trail in California, featuring a variety of race distances including a Boston Qualifier marathon, 50K, half marathon, 10K, and an Express half marathon. The course is primarily downhill, allowing participants to set perso..

The Rainbow Ridge 20k/50k is an outdoor trail running event held in Rainbow, Oregon. The 20k race begins at the upper McKenzie community center, featuring a climb to Kings Castle summit with stunning views of the McKenzie River valley and Cascade peaks, followed by a downhill return. The 50k race st..

Rob's Trail Fest is a trail running event held in Hemlock, New York, featuring marathon, 15K, and 5K distances. Scheduled for October 11, 2025, the race takes advantage of stunning fall foliage. The marathon course includes two challenging 800-foot technical climbs on single track trails, offering s..

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, starting at the Virgil Parris Preserve. Participants navigate..

The HoliTrot Fall Festival Trail Run is an annual event held at HoliMont, America's largest private ski resort located in Ellicottville, New York. This family-friendly event features a kids' race alongside a 5K trail run, offering participants a chance to enjoy the scenic trails of HoliMont during t..

The Paine to Pain Trail Half-Marathon is an annual trail running event held in Westchester County, New York, typically in October. It features a challenging course that winds through the woods and trails of five different parks, with most of the race on dirt, rocks, and roots, offering a scenic and..

The Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge is an annual event held in Mount Airy, Maryland, organized by the Frederick Steeplechasers Running Club. Taking place on October 12, 2025, it features three challenging race options: a 5-mile trail run, a 4-hour challenge, and an 8-hou..

The Great Pumpkin Chase is a festive fall running event held at the scenic Lake Elmo Park Reserve in Minnesota. It offers multiple race options including a 10k, 5k, and a kids' 0.5-mile fun run, with a unique "Double Up" challenge to complete both the 10k and 5k. The course features beautiful trails..

The 13 Ghosts Half Marathon, 13K, and 4 Mile Trail Run is a thrilling running event scheduled for October 12, 2025, at Addison Oaks County Park in Leonard, Michigan. Participants can choose from three distances: a half marathon, a 13K, or a 4-mile run/walk, all set within a scenic park environment f..

The West Side, Best Side 5K Trail Run is part of the Dirt Days Trail Series and takes place 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—the Blue Jacket and Little Turtle trails—offering..

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 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 grueling 50K—the course features challenging terrain with steep climbs, technical descents, rolling sing..

The North Bend Skyline 30K is a challenging trail running event held in the scenic Snoqualmie Valley near North Bend, Washington. Part of the Vert Running Series Championship, it features a demanding course that tests runners with steep terrain while offering stunning views of the Snoqualmie Valley..

The XTERRA Papago Urban Desert Trail Run, held in Tempe, Arizona, is part of the XTERRA Trail Run World Series. This event offers multiple race distances including a challenging 26K trail half marathon, a 10K, and 5K trail runs suitable for all ages and skill levels. The scenic course winds through..

The Rocky Gap Trail Run, hosted by EX2 Adventures at Rocky Gap State Park in Flintstone, Maryland, offers challenging 25K and 50K ultra-distance trail races along with relay options for teams of 2 or 3. The course features three distinct loops ranging from 4.4 to 6.5 miles, combining rugged singletr..

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 single-trac..

The Mines of Spain 100 is a challenging Midwest trail ultramarathon held in Dubuque, Iowa, set in the scenic bluffs, prairies, and forests of the Driftless Region along the Mississippi River valley. The event offers two distances: 100 miles (five loops) and 100 kilometers (three loops) on a roughly..