Trail Running Calendar United States 2025-2026

The Wade Mountain Marathon, held in Huntsville, Alabama, is North Alabama's only trail marathon, featuring marathon, half marathon, and 10K distances. Set amid scenic, low-traffic trails, the race offers runners a chance to experience beautiful fall foliage and perfect autumn temperatures. Organized..

The Big Bear Squatchtoberfest is a challenging trail running event held at Harriman State Park in Tuxedo, New York. Featuring a half marathon (13.1 miles) and a 10K, the courses showcase rugged, technical trails with steep climbs, rocky terrain, and scenic views, including over 2,200 feet of elevati..

The Castle to River Run in Garrison, NY, is a scenic running event held in the historic Hudson Valley, featuring a half marathon and a 5K race, along with a kids fun run. The half marathon course winds through Hudson Highlands State Park, passing the historic Osborn Castle and offering a mix of sing..

The Heart of Cool Trail Run is an annual trail running event held in Cool, California. Scheduled for October 19, 2025, it offers participants a choice of three distances: a 5K Trail Run/Walk, a 10K Run/Walk, and a Trail Half Marathon. The event welcomes runners and walkers of all ages, providing a s..

Ultra X Nevada is a challenging 220 km multi-stage ultramarathon held over five days in the stunning Red Rock Conservation Area and Spring Mountain Recreation Area near Las Vegas, USA. This trail race offers diverse terrain, from alpine forests to desert basins, with an elevation gain of 6,415 meter..

The Endless Mile is an ultrarunning event held at Veteran's Park in Alabaster, Alabama, featuring a USATF-certified 1.00203-mile paved loop course. Participants can choose from multiple race durations including 6, 12, 24, 48, and 72-hour events, as well as marathon and 50K distances. The course is f..

Weekend at Burney is a challenging and scenic running event held in Burney, California, featuring a looped 4.6-mile course through the lush Lassen National Forest. The course offers varied terrain including rolling hills, single-track trails, forest roads, and views of Baum Lake, with beautiful fall..

The Cactus Rose Endurance Trail Race is a challenging trail running event taking place in Bandera, Texas, from October 24 to 26, 2025. Participants can choose from various distances, including a 100-mile, 50-mile, 25-mile, and 5-mile race, as well as a youth 1-mile trail run for children aged 12 and..

The Hare Mountain 100 is a challenging point-to-point ultramarathon held in the rugged Boston Mountains of Northwestern Arkansas, featuring distances of 100 miles, 50 miles, and 60K. The course follows the Ozark Highlands Trail, known for its steep climbs, rocky terrain, and scenic beauty including..

The Run For Your Life 5k in Batavia, NY, is a unique nighttime race combining a 5k run with a haunted house experience. Held in complete darkness, participants must wear headlamps as they navigate a spooky course featuring classic horror characters who create a thrilling atmosphere without physical..

The 36 Hours of White Rock will take place in Winslow on Friday 24 October 2025. You can run 100 miles.

The No Business 100 is a challenging 102-mile trail ultramarathon held annually in October, starting and finishing at Pickett CCC Memorial State Park in Jamestown, Tennessee. The single-loop course traverses the scenic and remote Big South Fork National River & Recreation Area, crossing between Tenn..

The DDLM Endurance Run, held at South Beach State Park in Oregon, is a unique ultramarathon event celebrating the Día de Los Muertos tradition. Participants can choose from multiple race durations including 48, 24, 12, and 6-hour solo runs, as well as 48-hour and 24-hour team relays. The course is a..

Canyonlands Ultra is a premier trail running event held in Moab, Utah, typically in the fall. Part of the Mad Moose Events' Run Moab Series, it offers a range of distances including 15K, Half Marathon, Marathon, 50K, 50 Mile, 100K, and the challenging 100 Mile race. The course features diverse terra..

Firewater Ultra is a trail running event held in Greenback, Tennessee, featuring 100K and 50K distances, including a 50K relay and two 50K start options—Sunrise and Sunset. The race takes place on the scenic East Lakeshore Trail along the Tellico Reservoir, known for its well-maintained, runnable pa..

The Mosquito Hill Endurance Run is an annual trail running event held at Mosquito Hill Nature Center in New London, Wisconsin. The race features a scenic 3.4-mile loop through wetlands, prairies, and forests, including a climb to the top of Mosquito Hill with about 400 feet of elevation gain per lap..

The Mountain Mama Farms Classic, held in Summerville, Georgia, is a cross-country running event set on private farmland in Northwest Georgia. The course features a fast, 3.5-mile loop with minimal elevation change, making it ideal for runners aiming to cover maximum distance in either 4 or 8 hours...

The Oakland Hills Trail Run, held at Redwood Regional Park in Oakland, CA, offers challenging trail races in three distances: 10K, half marathon, and 35K ultramarathon. Set in a serene redwood forest with towering 150-foot coast redwoods, the course features technical dirt trails and fire roads with..

The Gate2Gate Trail Run, held near Alachua, Florida, offers 25K and 50K distances through the scenic San Felasco Hammock Preserve State Park. This event features a diverse course with single-track mountain bike trails, open fields, rolling hills, and birding paths across over 7,000 acres of protecte..

Womp Romp is an annual trail running event held in Wompatuck State Park, Hingham, Massachusetts, featuring a 10-mile single loop and a 50K race consisting of three loops plus an additional mile. The course offers a mix of single track, wide trails, and some paved sections, suitable for both novice a..