Trail Running Calendar United States 2025-2026

The Mt. Tabor Tar 'n' Trail is a fundraising running event held in scenic Mt. Tabor Park, Southeast Portland, Oregon.It features a 10K run, a 5K run/walk, and a 5K kids run for ages 12 and under. The courses are challenging and hilly, combining paved roads and dirt trails, hence the name "Tar 'n' Tr..

The Big Bear Squatchtoberfest, hosted by Sassquad Trail Running and the New York-New Jersey Trail Conference, is a challenging trail running event held at Harriman State Park in Tuxedo, New York. Scheduled for October 19, 2025, it features a half marathon and a 10K race on rugged, technical trails w..

The FALL Run The Farm is a 5-mile trail race held at Muscoot Farm in Katonah, New York. Scheduled for October 19, 2025, the event features a main 5-mile race for participants aged 6 to 108, along with two kids' races: one for ages 7-12 and another for children 6 and under. The race showcases the sce..

The G.O.A.T.z Trail Runs, held annually at Glenn Cunningham Lake in Omaha, Nebraska, offer a variety of trail running distances including 5 miles, 10.5 miles, 21 miles, 50K, and a challenging 50-mile race. The courses primarily feature trail and grass surfaces, with multiple laps for longer distance..

The Ravenswood Trail Race will take place in Gloucester on Sunday 19 October 2025. You can run between 4 and 4 miles.

The Heart of Cool Trail Run, held in Cool, California, offers a family-friendly trail running event featuring 5k, 10k, and half marathon distances. Set amidst the scenic Sierra Foothills, the course shares trails with renowned races like the Western States 100 and Way Too Cool 50k. Proceeds support..

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..

Ultra X Nevada is a challenging multi-stage ultramarathon held over five days in the stunning Red Rock Conservation Area and Spring Mountain Recreation Area near Las Vegas, USA. Covering a total distance of 220 kilometers (136 miles) with 6,415 meters of elevation gain, the race offers diverse terra..

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 unique running event held in Burney, California, featuring a scenic 4.6-mile loop course through Lassen National Forest. The course offers a mix of flowy single-track trails and forest roads, with rolling hills, lush greenery, and views of Baum Lake. Participants can choose fr..

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..

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 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 Cactus Rose Endurance Trail Race, held in Bandera, Texas at the Hill Country State Natural Area, is a challenging trail running event designed to test endurance and skill. Scheduled for October 24-26, 2025, it offers multiple distances including 100 miles, 50 miles, 25 miles, 25-mile ruck, 5 mil..

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

The Grand Canyon Trail Half Marathon is a scenic and challenging trail running event held near the South Rim of the Grand Canyon in Tusayan, Arizona. Set within the Kaibab National Forest on the Coconino Plateau, the approximately 13.1-mile course features rugged terrain, rolling hills, forest jeep..

The Mosquito Hill Endurance Run is an annual trail running event held at Mosquito Hill Nature Center in New London, Wisconsin. Participants run or walk on a 3.4-mile loop trail featuring wetlands, prairies, forests, and a climb to the top of Mosquito Hill, with about 400 feet of elevation gain per l..

The Hyak Halloween 25K is a trail running event held at Snoqualmie Pass, Washington, on the ancestral lands of the Snoqualmie Tribe. The 25-kilometer course features a unique route that includes running through the 2.25-mile-long, historic, and eerie Snoqualmie Tunnel twice, just before it closes fo..

Canyonlands Ultra is a premier trail running event held in Moab, Utah, typically in the fall. 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 terrain such as sandy washes and technical double tr..