Trail Running calendar near Mason 2026-2027

A 5K trail race at Lost Creek Reserve in Troy Ohio on August 9 2026, part of the Miami County Park District Trail Run Challenge. Registration offers shirt and no shirt pricing and a Team Challenge is available.

A 10 km trail race at Battelle Darby Creek Metro Park through prairies, fields and riparian forest. ORRRC members run free while non-members pay a modest fee; check-in with a timing chip is required and service dogs only are permitted.

A women only 5K obstacle mud run in Glencoe, Kentucky on August 16, 2026, featuring 18 plus obstacles and open to participants aged 7 and older. The event is non competitive and allows running, jogging, or walking.

Powder Keg at Carter Park in Kings Mills, Ohio on August 22, 2026 features a roughly 3.5 mile trail loop along the Little Miami River with an old road, an old dam, and a stair climb. Online registration only, fee $23.50.

Trail races at Mt. Airy Forest in Cincinnati include 5K, 10K, a 13.1 Miles half marathon and 30K. Finishers get medals, half marathon and 30K include shirts, and the event awards series points across the ATR season.

Trail ultras at East Fork State Park near Bethel, OH, offering 100 mile, 100K, 50K and 15 mile courses on a roughly 33 mile loop around William H. Harsha Lake. The cupless event uses manned and unmanned aid stations, cutoffs, required gear,..

Experience the fourth annual aMAZing 5k trail run at the Garber Nature Center. This event supports the Preble County Park District and offers awards for top finishers across multiple age categories.

Sprint For Survivors is the 8th annual run in Marysville on September 12, 2026. Distances include a 1 Mile, a 5k and a 10k and proceeds support She Dreams Again and its transitional home for trauma survivors.

A four-loop trail 50K at Germantown MetroPark with an individual race and two-person relay, about 3,000 gain, manned aid stations, a cupless policy, and a flood-course alternative; registration runs from 2026-03-01 to 2026-09-10.

A farm based obstacle event with a 5K course and a 1 mile kids option, featuring over 20 obstacles, pumpkins, food trucks, and educational displays at South Plymouth Pumpkins in Washington Court House.

Celebrate the 30th anniversary of the Air Force Marathon at Wright Patterson Air Force Base in Dayton, Ohio, a Boston qualifying course that finishes at the National Museum of the United States Air Force. Choose from marathon, half, 10K, 5K..

A 7 mile trail race at Stillwater Prairie Reserve near Covington, Ohio, run as two 3.6 mile loops with dirt, gravel and meadow sections and river crossings. ORRRC members pay no fee while non-members ages 15 and up pay ten dollars.

A 30K trail race in Cincinnati run as three laps of a 10K loop, featuring meadows, wooded trails and notable elevation gain. Finishers receive a medal and 30K entrants receive a finisher t-shirt; walkers are welcome.

Trail races in Shawnee State Forest near West Portsmouth, Ohio, offering a 54 mile route with 11,000 feet of climbing, a 50K with 6,500 feet, and a 13.1 mile option added in 2023 that includes notable hills and runnable trail sections.

Test your stamina in Dayton at this 12 hour endurance event. Run or ruck across a flat 2.7 mile loop consisting of grass and trail double track to earn your finisher medal.

A multi distance endurance event at Berachah Church in Middletown, OH, run on a flat one mile loop with mixed surfaces. The event supports local charities and offers an aid station, regular cooked meals, camping and limited RV spots.

Run with Heart in Urbana offers a 5K, a 1 mile fun run walk, or virtual participation along the Simon Kenton Bike Path. The 5K awards the top three male and female finishers in several age categories.

A weekend of races at the Gallatin County Fairgrounds in Glencoe, Kentucky featuring an 800 m kids run, a 5K trail with a two hour cut off, and a last runner standing ultra run on repeated 2.083 mile laps. Headlamps required for the ultra.

A 5K cross-country trail race through Grant Park in Centerville, OH, with parking at Watts Middle School. ORRRC members run free; non-members pay $10 for ages 15 and up. Chip timing, age-group awards, and a no-animals policy except for serv..

Trail event in Chillicothe, OH offering a 7K, a Youth 7k, a 12 hour solo and a 12 hour 2 person relay. The 100% trail course features overlooks, technical sections, full aid each loop and fall scenery.