Trail Running Calendar United States 2025-2026

Turkey Trails - Oklahoma City is an annual running event scheduled for November 15, 2025, featuring a variety of races including a 1 Mile, 5k, 10k, Kids Dash, and a Virtual Race option. This family-friendly event emphasizes fun, fitness, and community engagement, offering participants great swag suc..

The Dirty Duel Trail Race is a unique running event held at Robinette’s Trails in Grand Rapids, MI, featuring two challenging courses: the Short & Brutal (3.1 miles) and the Long & Difficult (3.4 miles). Participants can choose their preferred route, with the Short & Brutal offering steep climbs and..

The Dead Horse Ultra is a highly anticipated trail running event held in Moab, Utah, featuring a variety of race distances including 50 Miler, 50K, 30K, and 15K. Set against the stunning backdrop of the Magnificent Seven trail system, participants can enjoy cool November weather while navigating tec..

The Tarrywile Half Marathon is renowned as one of the toughest trail half marathons, featuring nearly 3,000 feet of elevation gain and technical Northeast single track terrain. Set in Tarrywile Park, the course offers stunning views of Danbury and its serene lakes. Participants can choose from three..

The Fall Backyard Burn at Hemlock Overlook is a trail running event scheduled for November 16, 2025, in Clifton, Virginia. Participants can choose between two distances: a 5-mile or a 10-mile course, both set in the scenic 425-acre Hemlock Overlook park along the historic Bull Run. The course featur..

The Baystate Dirty Dog Trail Run-Ruck-Walk 5k is a unique event taking place in Berkley, MA, designed to honor military personnel, first responders, and their K-9 companions. Participants can choose to run, ruck with weighted packs, or walk the rugged 5k trail, all while reflecting on the sacrifices..

The Li'l Rhody Runaround Trail Run is a popular running event taking place at Burlingame State Park in Charlestown, Rhode Island. Scheduled for November 16, 2025, participants can choose between two distances: an 8-mile and a 4-mile trail run. This event is part of the WTAC Fall Race Series, offerin..

The Brookhaven Trail Half Marathon is a premier running event organized by the Strong Island Running Club, taking place in Brookhaven State Park. This event features a challenging half marathon distance along with a 5-mile option, catering to runners of various skill levels. Participants can enjoy t..

The Fat Ox Endurance Runs, taking place from November 21-23, 2025, at Estrella Mountain Regional Park in Goodyear, AZ, offers a variety of ultra-running events including 48-hour, 24-hour, 12-hour, and 6-hour races, as well as 100-mile, 100K, 50-mile, and 50K distances. This event is known for its fe..

The Dinosaur Valley Endurance Run, held at Dinosaur Valley State Park in Glen Rose, Texas, offers a range of challenging distances including 100 Miler, 100K, 50K, 25K, and 5 Miler. This event, now in its 8th year, features a mix of terrain with gradual hills, soft dirt, rocks, and roots, making it a..

The Last of the Felascans is a unique backyard ultra running event held in Alachua, Florida, at the scenic San Felasco Hammock Preserve State Park. Participants must complete a 4.167-mile loop every hour, with elimination for those who fail to finish in time. The event continues until only one runne..

The Socorro Souls of Sorrow is a challenging 36-mile ultramarathon taking place in New Mexico, designed as a precursor to a longer event planned for the following year. This fatass-style race features minimal markings and three aid stations, requiring participants to be self-sufficient and prepared ..

The Stuffed Turkey Endurance Races, taking place on November 22, 2025, at Jester Park in Granger, Iowa, offers a challenging experience for runners with distances of 10 miles, 50K, 50 miles, and 100 miles. This event, now in its seventh year, features a 100% trail course with rolling hills and flat ..

The Dirty Dirty 15K is an exciting trail running event scheduled for November 22, 2025, at the North Chagrin Reservation in Willoughby Hills, Ohio. This race is the final event of the Dirty Trail Series, featuring a challenging two-loop course that showcases the park's beautiful landscapes, includin..

The Colt 45 Trail Run is an exciting running event taking place at Colt Creek State Park in Lakeland, Florida. Participants can choose from various distances, including a 60-mile, 45-mile, 45K, and a 14-mile race, all set on scenic trails. The course features multiple loops, with aid stations availa..

Fire Fest Ultra is an exciting running event taking place in Logandale, NV, featuring over 45,000 acres of stunning trails and rock formations. Participants can choose from various race distances, including 24/48-hour, 100M, 100k, 50M, 50k, marathon, half marathon, 10k, 5k, and a kids' 1-mile run. T..

The Duncan Ridge Trail event features a challenging 50K and 30K race set in the scenic North Georgia Mountains, starting and finishing at Vogel State Park. Known for its tough terrain, the 50K includes over 10,000 feet of elevation gain, making it one of the most demanding races in the Southeast. Pa..

The Tuckahoe 25K is an exciting trail running event scheduled for November 22, 2025, in Queen Anne, MD. This race, organized by the Centreville Crushers and Algonquin Ultras Inc., offers a challenging yet accessible 25K course primarily on single-track and wider horse trails. Participants can expect..

The Midland Mountain Trail Series features two exciting races: a marathon and a half marathon, set in the scenic Harbison State Forest in Columbia, South Carolina. This event, scheduled for November 22, 2025, offers participants a chance to experience diverse trails amidst beautiful natural surround..

The Circle Endurance Event is a challenging running competition held at Ringgold High School in Ringgold, GA, featuring 3, 6, 12, and 24-hour races. Participants aim to cover the maximum distance possible within their chosen time limit by continuously circling a track. This event tests both physical..