Trail Running Calendar United States 2025-2026

We have found 2439 Trailruns in United States. Check below where and when you can find the races.

The Hurricane 100k is a challenging trail running event held in Hurricane, West Virginia, featuring a 62-mile course on the scenic Meeks Mountain Trails. Participants can compete solo or as part of a three-person relay team, with each lap covering 10.3 miles of single-track mountain terrain. The rac..

The Megunticook Trail Festival in Camden, Maine, features three challenging trail races set in the scenic Camden Hills State Park. The events include the 50K ultramarathon, the Halfast 20K, and the Wicked Tough 10K, each offering unique experiences of the area's rugged terrain and stunning views of..

The Rebecca Mountain 50 Mile and 50K are annual trail running events held in Sylacauga, Alabama, featuring scenic single-track trails along the Pinhoti Trail. The races offer challenging terrain with rolling hills, breathtaking views, and aid stations, making them ideal for trail running enthusiasts..

Springmaid Splash is a trail running event held at Springmaid Mountain Resort in Spruce Pine, North Carolina, featuring 5K and 10K races through scenic, lush trails on a 400-acre property. The course offers a unique mountain running experience, including splashing across the North Toe River. Partici..

The Hawk Hundred is a trail running event held at Clinton State Park in Lawrence, Kansas, offering distances of 100 miles, 75 miles, 50 miles, and a marathon. The race features a challenging 25-mile loop of technical, rolling trails, with marathon runners completing an additional 1.2 miles on the Na..

The HRCA Wildcat Mountain Trail Races, scheduled for September 6, 2025, in Littleton, Colorado, features a variety of events including a 10K, 10M, and a Kid's Race. The race begins at the Douglas County East/West trailhead and takes participants through the scenic HRCA Backcountry Wilderness Area. R..

The China Peak Trail Run, held at China Peak Mountain Resort in Lakeshore, California, offers a challenging mountain trail running experience in the Western Sierra Range. Scheduled for September 6, 2025, the event features three distances: 12km, 25km, and 50km. The courses are 100% dirt, combining s..

The Groton Forest Trail Run, organized by Central Vermont Runners, features a marathon, 25K, and 10K trail running events set in the scenic Boulder Beach State Park in Groton, Vermont. Scheduled for September 6, 2025, this event promises a challenging and enjoyable experience for runners of all leve..

The Bull of the Woods Trail Races, taking place in Taos Ski Valley, New Mexico, is a premier trail running event celebrating its 9th year in 2025. Participants can choose from a full marathon, TSV half marathon, and Northside half marathon, all set against stunning alpine backdrops. The courses feat..

The Lone Star Night Run is a nighttime running event held in Weatherford, Texas, at Lake Mineral Wells State Park. It features multiple race options, including a Half Marathon, 10K, 5K, and a 10K RUCK, all taking place on paved trails with soft gravel. The race begins and ends at the Weatherford Tra..

Devil on the Divide is a challenging trail race held in Empire, Colorado, featuring 50K and 22K courses. The event offers breathtaking views of Clear Creek County and the Continental Divide, with participants reaching altitudes over 13,000 feet and experiencing significant elevation gains—over 6,500..

The Prairie On Fire Backyard Ultra is an exciting running event set to take place at Koteewi Park in Noblesville, IN, on September 6, 2025. This unique race format challenges participants to complete a 4.167-mile loop within an hour, with runners continuing to line up for additional loops until only..

The Panther Creek Challenge is a running event taking place in Morristown, Tennessee, featuring a variety of race options including a 10-mile, 5-mile, and a Kids Trail Mile. This event is designed to cater to runners of all ages and skill levels, with specific categories for students aged 14 and und..

The TARC Fall Classic will take place in Carlisle on Saturday 6 September 2025. You can run between 10 and 50 miles.

The Cross-Connecticut Run for Mental Health Awareness is a unique 56-mile group running event held annually in Connecticut, starting in West Suffield and ending in New Haven along the scenic, flat Farmington Canal Heritage Trail. This non-competitive challenge supports Mental Health Connecticut thro..

The Naperville Trails Half Marathon & 10K is an annual running event held in Wheaton, Illinois, at the scenic Danada Forest Preserve. Scheduled for September 6, 2025, the race offers both half marathon and 10K distances, including virtual options. The course is USATF certified, featuring a flat and..

The Odyssey Trail Running Rampage is an exciting trail running event taking place at Douthat State Park in Millboro, Virginia. Scheduled for September 6, 2025, the event features four race distances: a 50K Ultra, a Marathon, a Half Marathon, and a Six-Miler. Participants will experience challenging..

The Cutthroat Classic is an 11-mile singletrack trail run through the North Cascades in Washington, following the iconic Pacific Crest Trail over Cutthroat Pass. Starting at Rainy Pass (4,870 feet elevation), runners climb steadily for five miles to Cutthroat Pass (6,835 feet), then descend four mil..

The Tartarus Backyard Ultra is a challenging endurance event held at Camp 7 in Riverside State Park, Spokane, WA. Participants can choose between a running race or a rucking race, both following the traditional backyard ultra format where competitors complete 4.1667-mile loops (or 2.2 miles for ruck..

The Germantown 50k, scheduled for September 6, 2025, is a premier ultra trail race hosted in Germantown, Ohio. Participants can choose between the traditional 50k race and a new two-person relay option, where team members complete two loops each. The scenic course features a mix of cedar forests, pr..