Trail Running Calendar United States 2024-2025

The Trench Run is a challenging 10K trail run set to take place at Camp Dodge in Johnston, IA, dedicated to honoring the sacrifices of service members during World War I. Participants will navigate a unique course featuring military simulations, including trenches, smoke, and pyrotechnics, while enj..

Climb It For Climate is an exciting running event set in the picturesque Catskill Mountains at Belleayre Resort. Participants can choose between a challenging 25K or an 8K course, both offering stunning views and a chance to enjoy mountain running. This event emphasizes sustainability, operating as ..

The Flag Rock 5K Trail Run is an exciting event that takes place in the Flag Rock Recreation Area in Norton, VA, as part of the High Knob Outdoor Fest. This festival, running from August 9-16, 2025, celebrates the region's outdoor adventures and promotes non-motorized activities. The 5K trail run sh..

The Summit North Trail Runs is a vibrant running event taking place from August 15 to August 17, 2025, in Duluth, Minnesota. This weekend-long celebration features a variety of races, including the Hill Climb & Descent, Mountain Lap (5K), The Creeks (8-Mile), and the Forest Track (Heavy Half Maratho..

The Lean Horse Ultra Marathon is an annual running event held in August in the scenic Black Hills of South Dakota, featuring a variety of race distances including 100 miles, 50 miles, 30 miles, and 20 miles, as well as a unique 30-mile Black Hills CrossFit Edition. The course runs along the George S..

The San Juan Softie 100 is a challenging 100-mile ultra run set in the stunning San Juan mountains of southwest Colorado. Participants will navigate an average elevation of nearly 10,000 feet and tackle over 20,000 feet of vertical gain, making it a true test of endurance and skill. The event emphas..

The Jigger Johnson Ultras, presented by adidas TERREX, is a challenging trail running event set in the stunning White Mountains of New Hampshire, taking place from August 15-17, 2025. Participants can choose from three distances: a grueling 100-mile race featuring a 29,000-foot elevation gain, a 50-..

XTERRA Ruidoso is an exciting outdoor sports event scheduled for August 15-17, 2025, in Ruidoso, New Mexico. This event features a range of races, including off-road triathlons and trail runs, set against the stunning backdrop of pine forests and Grindstone Lake. Participants can choose from various..

The Marquette Trail 50 is an exciting ultramarathon event held in Michigan's Upper Peninsula, featuring 50K and 50-mile races, along with a 5K and a kids' 1-mile race. Scheduled for August 15-16, 2025, the course showcases stunning views of Lake Superior and includes challenging terrain with signifi..

Twilight at the Bay is an exciting running event taking place at Chambers Bay in University Place, Washington. Participants can choose from three race options: a half marathon, a 10k, and a 5k, each offering a unique experience on a beautifully paved loop trail. The course features a mix of flat sec..

The Wild Turkey Trail Runs is a free trail running event taking place at Valley Falls State Park in Fairmont, WV, on August 16, 2025. Participants can choose from various distances, including 50M, 50K, 25K, 10M, and 5M. The course features a moderately difficult 10-mile loop with an elevation gain o..

The Tamalpa Headlands 50K is a challenging ultramarathon set in the scenic Marin Headlands, California, featuring a single-loop course that showcases iconic trails such as Coastal, Miwok, and Dipsea. Established in 1998, this event is presented by Nike Trail and the Tamalpa Runners, and it includes ..

The Almaden Hills Trail Run takes place in the scenic Almaden Quicksilver Park, featuring a variety of challenging distances including 5K, 10K, 8M, Half Marathon, 30K, Trail Marathon, and 50K. The course consists of 60% dirt roads and 40% single track, offering stunning views and a hilly terrain tha..

The Veins of Gold 2025 is a challenging mountain race taking place in Palmer, Alaska. Participants will navigate an approximately 8-mile course with a vertical gain of around 5,000 feet, starting at the Government Peak Recreation Area and ending at Hatcher Pass Lodge. The race features diverse terra..

The Bad Dawg 100/50/100K/50K is an ultra endurance running event taking place in Waynesville, MO, on August 16, 2024. This no-frills race features multiple distances, including 100 miles, 100K, 50 miles, 50K, and a 12-mile run/ruck, all designed to support the OneSolePurpose project, providing shoes..

The Leadville Trail 100 Mile Run, known as the "Race Across the Sky," is a prestigious ultramarathon held annually in Leadville, Colorado. Established in 1983, this grueling event challenges participants with a 100-mile out-and-back course that features extreme elevation changes, reaching a peak of ..

The Scorchin' Squirrel Trail Run offers a thrilling trail running experience at the Ferncliff Camp and Conference Center in Little Rock, Arkansas. Scheduled for August 16, 2025, participants can choose from four distance options: 10k, 11.5 miles, 15.5 miles, or 19.5 miles, each featuring scenic loop..

The Redwood (Summer) Trail Run is an exciting running event scheduled for August 16, 2025, in Oakland, California. Participants can choose from various distances, including a 5-mile run, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The scenic cour..

The Horseshoe Bend Boogie will take place in Frenchtown on Saturday 16 August 2025.

The Olympic Mountains Trail Races, organized by Mountain Peaks Racing, is a premier running event set in the stunning Olympic National Forest, Washington. Scheduled for August 16-17, 2025, the event features three challenging race distances: a 100K, 50K, and 25K, each offering breathtaking views and..