Trail Running Calendar United States 2025-2026

The Cloudcroft Ultra 53K is a trail running event held in Cloudcroft, New Mexico, nestled in the scenic Sacramento Mountains at 8,600 feet elevation. The race features multiple distances: a challenging 53K ultra, 9.5-mile, 4.75-mile, and a 1-mile Kid's Dash. All races start and finish at Zenith Park..

The Pajarito Mountain Run is a 10K trail race held in Los Alamos, New Mexico, as part of the Northern New Mexico Summer Trail Series. The course begins and ends near the Pajarito Mountain Lodge, featuring a challenging 2.4-mile ascent to the summit at 10,442 feet, followed by a winding descent on th..

The Post Canyon Half Marathon, held in Hood River, Oregon, is a lively trail race celebrating its 11th year with a fun, inclusive atmosphere where every participant is a winner. The course features about 2,300 feet of elevation gain, offering scenic mountain views of Oregon and Washington, mini wate..

The Bulldog Ultra is a challenging trail running event held in Malibu Creek State Park, California, featuring 25k and 50k distances. Celebrating its 31st year, it offers scenic views of the Santa Monica Mountains and the Pacific Ocean from single track and fire roads. The course includes steep climb..

The Tarc Summer Classic is a trail running event held at Noon Hill Reservation in Medfield, Massachusetts, featuring multiple race distances including 10 miles, 50K, and 40 miles. The course is a scenic, mostly forested loop with undulating terrain, roots, rocks, and a notable viewpoint at Noon Hill..

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

The 3 Legged Monster Race, held in the Mark Twain National Forest near Steelville and Leasburg, Missouri, is a unique relay event featuring running, mountain biking, and paddling legs for teams of two. The race showcases the scenic Ozark Trail, with running through hardwood forests and bluff overloo..

The Miner's Lady 8-Hour is an endurance running event held in Harpers Ferry, West Virginia, where the Blue Ridge Mountains meet the Shenandoah River. Participants run a challenging 10K loop featuring 850 feet of elevation gain, primarily on single-track trails that pass waterfalls and creek crossing..

The Underdown Trail Races, held in Merrill, Wisconsin, offer a challenging and scenic trail running experience on August 16, 2025. The event features distances of 60k, marathon, and half marathon through the Underdown Trail system, known for its backcountry singletrack trails shaped by ancient glaci..

The Southern Fried 50/50 is an annual trail running event held in Columbus, Georgia, celebrating its 8th year in 2025. Participants can choose from three distances: 25K, 50K, or 50 miles. The race features scenic routes along the Fall Line Trace, Dragonfly Trail, and Columbus RiverWalk, offering vie..

The Cheyenne Mountain Run is an annual trail running event held at Cheyenne Mountain State Park in Colorado Springs. Celebrating its 10th year in 2025, the event offers three race distances: 5K, 10K, and 25K. The course features scenic trails within the state park, providing a challenging and enjoya..

The Nitty Gritty Off Road Race is a challenging trail running event held at Red Lodge Mountain Resort in Montana. Featuring a mix of singletrack trails, access roads, and bushwhacking, the course offers approximately 4.3-mile laps with about 1,150 feet of elevation gain each. Participants can choose..

Fellows Frolic is a trail running event held at Greek Peak Mountain Resort in Tully, New York. Participants can choose between a 3-hour race or a $1,000 challenge, both featuring a 3.3-mile loop with 607 feet of elevation gain. The race emphasizes camaraderie and safety, with runners starting their..

The Tails & Trails 5K is an exciting running event scheduled for August 17, 2025, in Clarkston, MI. This family-friendly race features a Cat Walk 1K, welcoming both dogs and cats, followed by a 5K run that takes participants through the scenic trails of Independence Oaks. The event aims to raise fun..

The Epiphany Cross Country event is set to take place in New Bern, North Carolina, featuring competitive races for both girls and boys in the 5K category. This event aims to promote athleticism and community engagement among participants. It provides an opportunity for runners of various skill level..

The Into the Hills Eltuck 5K is part of a series of midweek trail races held at Lory State Park in Bellvue, Colorado. Scheduled for August 19, 2025, this event features a challenging course with a steep climb and descent, making it suitable for both novice and experienced trail runners. Participants..

The Catamount Weekly Trail Running Race will take place in Williston on Tuesday 19 August 2025. You can run between 5 and 5 kilometers.

The Augúst is Montana's second oldest footrace, celebrating its 57th edition in 2025. This 5k trail run, known for its flat and fast course, takes place at the Spring Meadow Resources Pavilion in Helena. With a minimalistic approach, the event emphasizes speed and accuracy over frills like t-shirts..

The Oregon 200 is a challenging 200-mile trail race held in Oakridge, Oregon, organized by Go Beyond Racing. The race features scenic routes along the Middle Fork of the Willamette River and the North Umpqua River, with extensive forested single-track trails, lakes, and rivers. Participants have a 1..

The Night Crawler Endurance Challenge is a unique overnight solo ultramarathon held on Casper Mountain in Wyoming, featuring 4-hour and 12-hour race options. Set at an elevation of 8,100 feet, runners traverse forested trails starting from the Nordic stadium near the Casper Mountain Trails Center. T..