Trail Running Calendar United States 2025-2026

The Monroe Cross Trail 50 Mile Ultra is a point-to-point race held in Volusia County, Florida, starting at Rotary Park in Edgewater and finishing at Central 28 Beer Company in DeBary. The course follows scenic paved multi-use trails, including the East Regional Rail Trail, Spring-to-Spring Trail, an..

The Bleak Midwinter Endurance Run is an annual timed endurance event held at the Sac River Mountain Bike Trails near Springfield, Missouri. Participants can choose from 12, 6, 3, or 1-hour run options on a new 4.15-mile loop featuring moderately technical single-track terrain with rocks, roots, and..

The Phillips Flurry is an annual winter sporting event held in Phillips, Wisconsin, featuring 5K and 10K snowshoe races, runs, and walks. It serves as the venue for the Wisconsin State Snowshoe Championships, attracting participants who enjoy snow-covered trails in a scenic forest setting. The event..

The USCSA Cross Country Ski Racing Festival, held at Snow Mountain Ranch Nordic Center in Granby, Colorado, is a vibrant collegiate and junior skiing event scheduled for January 24-25, 2026. It features classic races of 15 km and 7.5 km for college and independent high school athletes, alongside CHS..

The Arizona Rocks! Half Marathon, 10K, and 5K Trail Run is an annual event hosted by StartLine Racing at Paloma Community Park in Peoria, Arizona. This trail running event offers distances of half marathon, 10K, and 5K, catering to both seasoned trail runners and newcomers. Participants experience s..

The Langlauf 10K Cross Country Ski Race is held annually at the Mount Spokane Nordic Ski Center in Mead, Washington, the premier cross-country ski area in the Inland Northwest. This traditional 10-kilometer race features wave starts to accommodate skiers of all skill levels and speeds. Celebrated as..

The La Llorona 10K Trail Run, organized by Huarache Turbo, takes place at McAllister Park in San Antonio, Texas. This trail run is ideal for both seasoned road runners and newcomers to trail running, offering a welcoming 10-kilometer distance. Participants will enjoy scenic cactus-lined trails with..

This ain't your Mothers 50k & Trail Marathon is an annual trail running event held in Middleburg, Florida, within the scenic Jennings State Forest near Jacksonville. The race features multiple distances including a 50K, trail marathon, 12K, and 7K. The courses traverse the diverse Pioneer Trail, kno..

The Arrowhead 135 is a grueling 135-mile human-powered ultra-endurance race held in Northern Minnesota, running from International Falls to Tower along the rugged Arrowhead State Snowmobile Trail. Participants can choose to compete by foot, ski, or bicycle in one of the coldest winter environments i..

The Mid-Maryland Trail Festival 50k is a 31-mile ultramarathon held at Rockburn Branch Park in Elkridge, Maryland. The course consists of six loops, each approximately 5.179 miles, winding through wooded trails. Participants can run the full 50k solo or form relay teams of 2 to 6 members, exchanging..

The Pleasant Ridge Backyard Ultra is an endurance running event held at Pleasant Ridge Camp and Retreat Center in Marietta, South Carolina. This unique race challenges participants to run 4.167-mile laps every hour on the hour, continuing until only one runner remains able to complete a full lap. Th..

The Arches Ultra is a scenic trail running event held in Moab, Utah, featuring distances of 50 miles, 50K, half marathon, and 9K. Set along the lower-elevation trails bordering Arches National Park, the course offers stunning views of Moab cliffs, the snow-capped La Sal Mountains, and passes dinosau..

The Greenleaf Trail Run (GTR) is an annual trail running event held in Braggs, Oklahoma, with the 10th edition scheduled for January 31, 2026. The race takes place at the Gruber ORV Park, featuring a moderately technical 5+ mile loop trail. Participants can choose from three distances: 5 miles, 10 m..

The Bootleg Boogie is an ultra running event held in Bootleg Canyon near Boulder City, Nevada, featuring distances of 100 miles, 50 miles, and a half marathon. The race takes place on a challenging 12.5-mile loop with over 90% singletrack trails, including 2,000 feet of elevation gain per lap. Parti..

Forgotten Florida is a unique trail running event held in Christmas, Florida, featuring distances of 100, 50, 15, and 8 miles. The race explores rarely traveled single-track trails through scenic areas like Tosohatchee, Charles Bronson State Forest, Seminole Ranch, and Little Big Econ State Forest...

The Dahlgren Trail Half Marathon is a scenic running event taking place on the Dahlgren Railroad Heritage Trail in King George, Virginia. This half marathon features a flat, out-and-back course that showcases the natural beauty of the area. Participants can enjoy cash prizes, custom finisher medals,..

The AZT Oracle Rumble is an annual trail running event held near Oracle, Arizona, just north of Tucson by the Santa Catalina Mountains. The race features mostly single-track trails through Oracle State Park and remote sections of the Arizona National Scenic Trail. The course is continuously rolling,..

Groundhog's Lap Race is a challenging endurance running event held at Haw River State Park Iron Ore Belt Access in Greensboro, North Carolina. Participants run loops on the 3.2-mile Great Blue Heron single-track trail through the woods. The race offers multiple time-based options: 3-hour, 6-hour, an..

The Frosty Fat Sass is an annual trail running and hiking event held in West Orange, New Jersey, at the South Mountain Reservation's Turtleback Rock Picnic Area. Scheduled for January 31, 2026, this 9th edition offers participants options to run or hike a 5K loop or take part in 3-hour or 6-hour tim..

The Sean O'Brien event in Calabasas, California, offers multiple trail running distances including 100K, 50 miles, 50K, marathon, and 30K. The 100K race serves as a qualifier for the 2026 Western States 100. The course features scenic trail views with notable vantage points around miles 7 and 15, pr..