Trail Running Calendar United States 2026-2027

Lake Vian 5K Trail Run in Vian, Oklahoma on August 15, 2026 offers an in-person 5K, a 1K fun run/walk and a virtual 5K option, with USATF age-gender medals and proceeds benefiting the Vian Community Foundation.

A classic 50K trail ultramarathon in Marin County's stunning Headlands, featuring iconic trails and challenging terrain. The single-loop course offers spectacular coastal views and finishes at Santos Meadow. It's part of the USATFPA Grand P..

Trail run at Ferncliff Camp and Conference Center near Little Rock offering four loop-based distances from roughly 10k to 19.5 miles. Each loop includes an aid station and a water drop; the finish returns to the pool pavilion for food and r..

Run or walk along the Pennsy Trail in Greenfield to support international cultural exchange programs. This community event features 5K and 1 Mile distances on a flat down and back course.

The 3 Legged Monster is a unique trail running, mountain biking, and paddling relay for teams of two on Missouri's Ozark Trail. Choose between a long or short course, navigating through the scenic Mark Twain National Forest. The event concl..

Journey through Pennsylvania’s ancient Cook Forest on a 25K loop linking 13 trails. The course passes the historic fire tower and runs alongside the Clarion River. A supportive community and three aid stations provide support on this forest..

The 9th annual Riley Trails event offers trail running and rucking on scenic paths in Holland, MI. Choose from a half marathon, 10K, or a ruck challenge. All proceeds support addiction recovery through the Egress Endurance Project.

Join the Tour de Trail series for a 10k trail run at Lexington Lake in DeSoto. This event welcomes runners and hikers on a scenic course, with part of each entry supporting local trails. All finishers receive a unique handmade award.

Hit the trails at Cheyenne Mountain State Park with this trio of scenic races. Choose from a challenging 25K mountain course, a 10K trail race, or an accessible 5K run/walk. All events support the park and feature chip timing on beautiful s..

Underdown Trail Races The Underdown Trail Races are grassroots trail runs and mountain bike races held on August 15, 2026, at the Underdown Trail system in Merrill, Wisconsin. The running events include a 60k, marathon, and half marathon. T..

This annual community event in Sun Prairie features a 5k race and a kids' fun run, with a course on neighborhood bike paths. Proceeds go directly to support the local high school cross country team.

The Watermelon Wobbler is a 5k trail run/walk/hike through scenic conservation land and a working farm. It features a varied off-road course and supports local agriculture. On-site parking is supplemented by a satellite lot nearby.

A trail 5k at Oak Mountain State Park featuring rugged terrain and significant elevation change. The event takes place on a Saturday in August. Registration is available.

Event Overview The Black Hills Super 6 is a fundraising event for the non-profit organization Northern Hills Area CASA (Court Appointed Special Advocates). All proceeds benefit victims of child maltreatment in eight counties of western Sout..

Run a chip-timed 5K or join a scavenger hunt 3K walk at St. Patrick's County Park. Everyone gets a handcrafted medallion, plus there's an egg bake breakfast and door prizes. Leashed dogs are welcome on the walk.

Run the trails around Standley Lake in Westminster, Colorado. Choose from five distances, from a 5K to a 50K, on out-and-back dirt routes. Experience a cupless race with scenic views and a festive atmosphere.

This 50k trail run takes you through the Sierra Prieta mountains near Prescott, Arizona. It is scheduled for a late summer date in August 2026.

Celebrate the 20th edition of this scenic 5K cross country run through the forests and meadows of the Landis Arboretum. The event features chip timing, is part of the USATF Trail Series, and offers participant shirts for early registrants.

The Bryre Dragon offers a demanding weekend of trail running on the Duncan Ridge in Georgia. Choose from a 100-mile, 40-mile, or daylight 40K race, all starting from Vogel State Park. The courses feature significant elevation gain and suppo..

Climb It For Climate is a trail running event on Belleayre Mountain in the Catskills, offering 25K and 8K race options. The weekend features pre-race activities, and the event focuses on environmental responsibility with a zero-carbon initi..