Trail Running Calendar United States 2026-2027

Join the Merrimack River 10 miles on April 11 for a USATF sanctioned out and back trail race starting behind the DoubleTree in Andover. Enjoy water stops, post race bagels and a raffle while supporting local trail maintenance.

Trail ultramarathon at Wheeler National Wildlife Refuge with 100 mile, 100K and 50K options on a 15.5 mile loop through prime birding and wildflower areas.

A benefit road-and-trail event in Mooresville on April 11, 2026 featuring shaded packed dirt courses for 25K, 10K and 5K that support the Singing River Trail and include awards and post-race music and snacks.

The Romancing the Island Half Marathon will take place in Belvedere Tiburon on Saturday 11 April 2026. You can run between 10 and 21 kilometers.

Mountain Sheep Canyon Run in Page, AZ features a 10 mile loop through Navajo sand and slot canyons with 850 feet of climb and a 5K lollipop loop with one water station, both following local Page, AZ time.

Run Kelly Ridge on the Olympic Adventure Trail in Port Angeles with 12K, half marathon and 50K single track courses offering coastal and forest views. Limited fields, pre registration required, proceeds support local trail groups.

Springtime trail races at Lake Sonoma on April 11, 2026 feature a Western States qualifying 100K, a 50K that crosses the Lake Sonoma bridge, and a women-only Trail Sisters half marathon with shuttle service.

Trail races at Colt Creek State Park on April 11, 2026 offer 5K, 10K and half marathon on well marked wooded trails. Aid stations, on-course restrooms, chip timing, finisher medals and awards are provided.

Two days of trail runs and gravel bike rides at Diamond Valley Lake Marina featuring marathon, shorter trail distances, youth and stroller events, plus gravel rides around the lake and finisher shirts and medals for multiple races.

Run the Dirty Kiln Trail Races at Canoe Creek State Park in Hollidaysburg PA on April 11, 2026 with a 10K or hilly half marathon. Expect singletrack, stream crossings and muddy sections on this volunteer run event.

Held at SunWest Park in Hudson, Florida, this event offers timed 10K and timed and untimed 5K options on a paved hiking path around old salt mines. Proceeds benefit the Pasco County PAIR inclusive programming and finisher awards are provide..

Enjoy a scenic sunset run through Sabino Canyon in the Coronado National Forest, with a challenging 7.4 mile course and a 2 mile fun run or walk. Finishers get shirts and medals, post race food and awards add to the celebration.

James River Trail Runs at James River State Park uses a 10 mile loop to offer multiple distance options from a 10 mile race to a 50 mile event. The format awards times by completed loops and includes a night 10 mile option plus hiker catego..

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.

Join the two day Tortolita Traverse in Marana, Arizona for scenic single track and wash trail runs and mountain bike races. Pick a half marathon, 7 mile run, or 10 or 20 mile MTB, earn a finisher medal and challenge pin.

Run a scenic 5K at Fort Macon State Park on April 11, 2026, over cross country trails with inlet and ocean views. This timed race benefits OWLS wildlife rehab and includes a short sleeve race tee for registrants.

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.