Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4050 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A high alpine 50k near Nathrop Colorado that follows the Colorado Trail, reaches about 13,100 ft, and covers roughly 33 miles with 7,000 ft of ascent. The race is organized by Freestone Endurance on permitted public lands.

A community 5K/10K/15K on the Pinellas Trail in downtown Dunedin at HOB Brewing Company on September 27, 2026, with electronic timing, finisher medals and a post-race party including one free draft beer for participants 21 and over. The eve..

Trail running in shaded redwood forest at Sanborn County Park on September 27 2026, with 10K, half marathon and 50K options; steep singletrack, shuttle parking, chip timing and specific mandatory gear for the 50K.

A trail ultramarathon on September 27, 2026 in Freeport ME using a roughly 5 mile loop repeated for 10, 6, or 2 laps. The route is all dirt trails with bridges, stairs, and roots and has a single aid area at the start and finish.

A themed run in Long Beach on September 27 with Half Marathon, 10K, 5K, a family mile and kids dash, ocean views, chip timing and a pizza themed finish line festival.

Trail races along the Western States Trail near Auburn, California on September 27, 2026. Distances include a half marathon, 12K and 5K with electronic chip timing and finisher medals and t shirts.

A 10 miles trail race in Holtwood, PA, over rocky, hilly trails with stream crossings and scenic overlooks. Chip timed, with aid stations, a strict 2.5 hour cutoff to mile 7, and one way bus transport to the campground start.

An annual community 5K run and walk at Agricultural History Farm Park in Derwood, Maryland on September 27, 2026, organized by MD District 15 Democratic Caucus. Offers adult and youth entries plus a free youth option with an accompanying ad..

Bike, run, or walk on the Lamoille Valley Rail Trail in Morrisville, Vermont. Proceeds support services for healthy aging in Central Vermont including groceries, emergency fuel, prescription assistance, and exercise classes.

Join this trail event at Minooka Park featuring half marathon 10K and 5K distances. Participants can choose between running walking and rucking on a scenic course with shaded trails and a notable hill challenge.

A trail running event in Gardiner, NY offering a 5 km run, an optional 10 km two-lap route and a 200 yard kids run, with pre registration T shirt incentives and a sneaker recycling program.

A 3.1-mile race at Shelburne Farms on 09/27/2026 with a course that mixes gravel paths (not loose), wooded trails, fields and dirt roads. Field limited to 200 racers; registration through Racevermont.com includes a finishers medal.

A 21k trail race on Pleasant Mountain in Bridgton, ME on September 27, 2026 featuring steep ridge climbs, technical single track, one aid station, mandatory mountain gear checks, and postrace food and beer for ages 21 and over.

Trail races at the Assabet River National Wildlife Refuge in Sudbury MA include a 10K, a 30K and a 6 hour timed event. The course uses dirt and gravel double track trails with two aid stations and cupless fueling.

A race day at Jay Blanchard Park on 09/27/2026 with distances from a 50 m kid's dash to a 13.1 mile half marathon, chip timing for main races, event shirts and medals, plus volunteer and virtual options.

Experience the full reservoir trail system on this thirteen mile course in Fredericksburg. Runners navigate flowing singletrack and five distinct climbs totaling over nine hundred feet of elevation gain through scenic wooded terrain.

A student-run trail event on September 27, 2026 at George Whittell High School in Zephyr Cove, Nevada. It features a 5K trail and an 800 meter kids' fun run, with natural trail features, student-designed shirts sold separately, and no pets..

Run the scenic Katy Trail with 5k 10k or half marathon options followed by a celebration at The Wine Cafe featuring whiskey sampling coffee and local donuts in St. Charles.

A third annual off-road 5K on a historic family farm in Soddy Daisy, Tennessee, with a course through sunflower fields and pastures and views of the Blue Ridge Mountains.

Run for Nature in Lowell on September 27, 2026 features a 10K trail run, a 5K run or walk and a kids one mile fun run, with marked trails and community activities supporting local conservation and education.

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