Trail Running Calendar United States 2026-2027

A looped trail event at James River State Park offering 10 mile, 50k, 50 mile and relay options, with varied singletrack and riverside flats and a loop-based finish system.

On April 11, 2026 the Philadelphia Trail Marathon runs in Wissahickon Valley Park with a 13.1 mile loop or a full marathon of two loops on mostly single track trails and notable elevation.

Oriflamme 50K in Julian, California on April 11, 2026 is an out and back trail race that descends into desert terrain then returns via a long climb, with fully stocked aid stations and a 150 runner limit.

A multi distance trail event on April 11, 2026 at Ruby Rider Ranch in Apple Valley, Utah. Courses run across singletrack, slickrock and mesas with repeated views of Zion National Park and support for ultra logistics.

A two day trail and MTB event at Tortolita Preserve in Marana on April 11 and April 12, 2026 featuring a half marathon, a 7.7 mile trail loop, and 10 and 20 mile bike races with aid stations and finisher medals.

A coastal 5K trail run at Fort Macon State Park on April 11, 2026, featuring cross country surfaces, footbridge crossings and views of Beaufort Inlet, Bogue Sound and the Atlantic Ocean. Proceeds support the Outer Banks Wildlife Shelter.

A demanding 25K trail race in the Montreat Wilderness with about 4,000 ft of climbing and a five hour limit. Required trail experience and mandatory safety gear are enforced.

An outdoor family festival in Aubrey, Texas featuring a 1 Mile Fun Run and trail 5K and 10K races. The event supports the Greenbelt Alliance and raises funds to benefit local Texas state parks.

Brazos Bend 50 in Needville, TX offers races from 5K to 50M on a nearly flat, well-marked trail through a state park known for birds and alligators. The event features aid stations, drop bags for the 50M, chip timing, and registered pacers.

Trail races at JW Corbett Wildlife Management Area near Loxahatchee, FL on the Ocean to Lake Trail. Courses follow orange blazes through technical single track and varied habitats; distances are 50 mile, 50K and 18 mile and membership is re..

Run on the sand at North Topsail Beach in this event honoring Marine veteran Dr. E.B. Sledge. Choose from a half marathon, 10k, or 5k, with all courses entirely on the beach. A portion of proceeds supports service members and their families..

The Desert Peak Ultra in Oracle, Arizona, offers 100K, 50K, and two-day Summit Challenge distances. Runners will ascend Mount Lemmon on a course blending Sonoran Desert trails with alpine pine forests. Aid stations are fully stocked with nu..

Two days of trail racing at Saunders Springs Nature Preserve with mountain bike endurance events on Saturday and 5K, 10K, and 25K trail runs plus a kids race on Sunday; proceeds support local trail organizations.

The Runamuck 50k will take place in Pomfret on Saturday 11 April 2026. You can run 50 kilometers.

Trail running at Wompatuck State Park offering 5K, 5M, and an 8 hour lap option limited to 50 runners. Staggered starts, aid stations, drop bags, no dogs, and registration closes April 10.

A multi distance trail event in Sewanee, Tennessee, running long loops along the West Rim and West Side trails. Courses include large elevation gains and unique awards such as layered steel buckles and whiskey barrel staves.

Merus Marathon & Ultra on April 11, 2026 in Claude, Texas offers multiple trail distances at Merus Adventure Park in Palo Duro Canyon, with varied surfaces and elevation changes of roughly 100 to 500 feet.

Ondessonk Trail Races on April 11, 2026 at Camp Ondessonk in Ozark, Illinois features a half marathon, Manchester 10k, 5k, and a one-mile fun run around Lake Echon for families.

Mountain Ridge Trail Race in Highlands Ranch, CO features 21 mile, half marathon, 10 km and 5 km courses on mostly dirt single track with rolling hills and front range views. The event uses cupless aid stations and finishes at Mountain Ridg..

Join Robinette's Spiked Apple 5k at the Apple Haus and Winery for a scenic run or walk through vineyards and rustic terrain. Celebrate with a cider donut, cider pour and a finisher medal that doubles as a bottle opener.