Trail Running Calendar United States 2026-2027

Experience the rugged beauty of Mohican State Park at Mo Spring. Choose between three trail distances featuring steep hills, scenic waterfalls, and the deep Clearfork Gorge for a memorable outdoor adventure in Ohio.

A 5K trail run through San Felasco Hammock Preserve State Park in Alachua on April 25, 2026, raising funds and awareness for Anew, a nonprofit supporting survivors of human trafficking.

Trail races at Camp Harmony around Quemahoning Reservoir include a 50K solo, a four person relay, a 30K lap and a new 10K loop. The forested course features singletrack, rolling hills, aid stations, and a 10 hour cutoff.

A 100K point to point run from Kennesaw Mountain to Stone Mountain through Marietta and Atlanta, passing Braves Stadium, Piedmont Park and other landmarks. The course mixes sidewalks, bike paths, some single track and about five aid station..

Trail races at Caesar Creek State Park Campground on April 25, 2026 include a half marathon, 10K, 5K, a 20K relay and a six hour event. Participants receive custom bibs, fueling supplies and souvenir medals.

Test your speed and navigation skills in this unsanctioned 4+ mile race through Chino Hills. Navigate four checkpoints across gravel and trail terrain to compete for cash prizes in a format where you choose your own route.

A community fundraiser on April 25, 2026 at Las Cruces Dam Open Space Trail supporting Centennial FFA, featuring a 1 mile Fun Run and a 5K. All finishers receive medals and proceeds support scholarships and chapter activities.

Monkey Butt Mayhem is a timed trail challenge on a short, steep loop in Texas. Runners choose a 3 or 6 hour limit to complete as many loops as possible, conquering the infamous 100 foot climb on Monkey Butt Hill. Crews can set up every thir..

Trail races inside Marshall Gold Discovery State Historic Park range from a Kids Run to a half marathon on varied singletrack and paved sections, with marked courses, aid stations, and notable elevation gains.

Trail races of 5K, 10K, half marathon and 30K at Mt. Airy Forest Playground in Cincinnati. The event is part of the Alpine Trail Race Series with series points, finisher medals and t-shirts for some distances.

This annual trail event at Hualapai Mountain Park offers a 5K and 10K on a multi-surface course with scenic views. All proceeds support park restoration from a 2021 wildfire. Participants receive a race bib, t-shirt, and swag bag.

Join the 3rd annual Autism Acceptance 5K at Red Oak Creek Trail to support fitness and inclusion for the IDD community. Walk or run the scenic route in Cedar Hill and explore local vendor resources and treats.

A spring trail race at Grafton Lakes State Park covering about 9.3 miles with roughly 900 feet of elevation gain. Trails are technical yet runnable and the course can be muddy in spring.

Experience a unique trail race through an active rock quarry at the Luck Stone Leesburg Plant. This 5K event supports environmental preservation and features family activities and awards for all ages.

Experience a rugged trail race through the Sierra Nevada foothills featuring technical single tracks and fire roads. Choose between three distances and take on the steep ascent of El Guapo before celebrating at the finish line fiesta.

A scenic and classic spring run for athletes aged 30+. Choose between the 10K and 5K distances on a mostly flat loop course through woods and around Birchwood Lake in Mountain Lakes. Be prepared for varied surfaces including paths, trails,..

Celebrate and protect nature at City Beach in Sandpoint with a 5 mile run or walk along the Ponderay Bay Trail benefitting local wildlife conservation.

Experience three seasons of trail running and walking through scenic conservation land and a working vegetable farm in Wrentham with this unique 5K triple series.

Join an inclusive community event in Lacey featuring USATF certified courses along the Chehalis Western Trail to support the Lions Low Vision Resource Center.

A 13.5-mile trail race on fire roads and single track in Limestone Canyon with 2,719 feet of elevation gain, two aid stations, cupless policy, and limited packet pickup options.