Trail Running Calendar United States 2025-2026

The Run For Your Life 5k in Batavia, NY, is a unique nighttime race combining a 5k run with a haunted house experience. Held in complete darkness, participants must wear headlamps as they navigate a spooky course featuring classic horror characters who create a thrilling atmosphere without physical..

The 36 Hours of White Rock will take place in Winslow on Friday 24 October 2025. You can run 100 miles.

The Yippee-Ki-Yay 50K, Half Marathon, and 10K races take place annually in Council Bluffs, Iowa, on the scenic Wabash Trace Nature Trail. This event features a 50K ultra marathon, half marathon, and 10K race, all run on a crushed limestone Rails-to-Trails course with beautiful Heartland countryside..

The Lake Murray Endurance Run is an annual trail running event held in late October at Lake Murray State Park near Ardmore, Oklahoma. The race offers multiple distances including 100 miles, 100K, 50K, 25K, and 5 miles, catering to a wide range of endurance runners. The course features over 30 miles..

The Big Elkin Trail Relay is a team trail running event held in Elkin, North Carolina, featuring a 5K loop on single-track trails and granite dust paths along the old E&A Railroad grade. The course offers shaded running with scenic views of waterfalls, Big Elkin Creek, and Elkin Reservoir. Teams of..

The Bare Buns Desert Run is a unique 5K trail race held at Shangri La Ranch in New River, Arizona. Known as the only nude run in Arizona, participants are encouraged to run with minimal clothing—just tennis shoes—though nudity is optional. The course winds through the ranch property, including hikin..

Legends of the Valley is a trail-running event held at Valley View Nature Preserve in Milford, Ohio. Scheduled for October 25, 2025, it features three distinct races: the Arrowhead Trail 5K cross-country race, the Mastodon 2-Hour Endurance Race on a 1.5-mile loop, and the Tailfeather Kids 1.5-Mile R..

The Hyak Halloween 25K is a trail running event held at Snoqualmie Pass, Washington, on the ancestral lands of the Snoqualmie Tribe. The 25-kilometer course features a unique route that includes running through the 2.25-mile-long, historic, and eerie Snoqualmie Tunnel twice, just before it closes fo..

Run With Scissors is a running event held in Boston Township, Ohio, starting at Kendall Lake Lodge. It offers three distances: half marathon, full marathon, and double marathon, all set within the scenic Cuyahoga Valley National Park. The half marathon features an out-and-back course, while the full..

The Grand Canyon Trail Half Marathon is a scenic and challenging trail running event held near the South Rim of the Grand Canyon in Tusayan, Arizona. Set within the Kaibab National Forest on the Coconino Plateau, the approximately 13.1-mile course features rugged terrain, rolling hills, forest jeep..

The Legend Trail Run is an exciting running event taking place at Sleepy Hollow State Park, featuring three race distances: 5 miles, 10 miles, and a half marathon (13.1 miles). Set in a picturesque landscape of 2,600 acres of hardwood forest and grasslands, the course offers a mostly grass-covered r..

The Devils Den Trail Race, held annually at Devils Den State Park in West Fork, Arkansas, is a scenic trail running event featuring three distances: approximately 3.5, 5.75, and 8.5 miles. The race courses traverse recently improved mountain bike and hiking trails along Lee Creek, offering a challen..

The Ozark Trail 100 Mile Endurance Run is a challenging ultra-running event held in Steelville, Missouri, traversing 101 miles of the pristine Ozark Trail through Mark Twain National Forest. Celebrating its 17th year, the race features nearly continuous single-track trails with about 12,000 feet of..

The McNotagain Fall Trail Run takes place at McNaughton Park in Pekin, Illinois, known for its scenic, flat terrain in Central Illinois. The event offers multiple race distances including 3.5, 10, 30, and 50 miles, all run on a 10-mile loop course that is run in reverse direction compared to the spr..

The Chessie Trail Marathon, held annually in Lexington, Virginia, offers a scenic and flat course along the Chessie Nature Trail, a top-rated rail trail in the Shenandoah Valley. Participants can choose from a full marathon, half marathon, 10K, 5K, or a 26.2-mile relay. The trail runs beside the Mau..

Canyonlands Ultra is a premier trail running event held in Moab, Utah, each fall as part of the Mad Moose Events' Run Moab Series. It offers a range of distances including 15K, Half Marathon, Marathon, 50K, 50 Mile, 100K, and the challenging 100 Mile race. The course features diverse terrain such as..

The Smithfield Hog Jog is an annual 5K run and walk held at Windsor Castle Park in Smithfield, Virginia. The event features a 5K race with chip timing and a Kid's Piglet Run, where all young participants receive awards. The race welcomes up to 500 participants and offers awards across various age gr..

The Patapsco Valley 50K is an annual trail running event held at Patapsco Valley State Park near Baltimore, Maryland, with race headquarters at CCBC-Catonsville. The event features two distances: a 50K and a 25K, both available as in-person or virtual races. Runners enjoy a scenic, historic, and wel..

The Fonta Flora 50K and Half Marathon is a scenic trail running event held at Lake James State Park in Nebo, North Carolina, near the Linville Gorge and Shortoff Mountain. The races start and finish at Fonta Flora Brewery's Whippoorwill Farm, offering runners beautiful views of the lake and surround..

The West Seattle Monster Dash is an annual costumed 5K trail run/walk held at Lincoln Park in Seattle, WA. The 14th edition takes place in October 2025 and features a 5K Run/Walk, a Kids Monster Dash for children 12 and under, and a "Just a Shirt!" option. Participants receive a t-shirt with the ico..