Trail Running Calendar United States 2026-2027

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..

Test your endurance at Ferncliff Camp with a multi loop trail race near Little Rock. Enjoy a post race cookout and pool access after navigating inclines and water crossings across various distances.

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.

Experience the trails of Cheyenne Mountain State Park with three race distances ranging from a 5K walk to a 25K mountain challenge. This chip timed fundraiser supports park conservation through scenic and high elevation courses.

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.

Experience a scenic off-road trail run or walk through the conservation lands of White Barn Farm. This cup-less 5k event supports local sustainable agriculture and community food security in Wrentham.

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.

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.

Experience a rolling cross country run through the forests and meadows of the Landis Arboretum. This sanctioned 5K race offers views of the Schoharie Valley and access to scenic trails and gardens.

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..

Experience a backyard style race with a twist in Lake Elmo where you run 2.6 mile loops to earn bingo balls. Complete your card fastest while navigating scenic hiking trails to claim victory.

Conquer a steep 1000 foot climb at Snow Summit during this unique one mile mountain race. Enjoy high altitude views at 7000 feet elevation and a free chairlift ride back to the base.

Experience the trails of Redwood Regional Park in Oakland. Runners can choose from distances ranging from a 50 yard kids dash to a 50K ultramarathon through scenic ridge lines and redwood groves.