Trail Running calendar near Casstown 2026-2027

A 5K cross country race at Hagerstown High School on August 8, 2026, organized by WCC Challenge. The course is a double loop of steep hills on grass and dirt and benefits Hagerstown High School Athletics/Cross Country.

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.

The Guantlet 15K is a 9.3 mile trail race at Oakes Quarry Park in Fairborn, Ohio, running through limestone cliffs and wooded trails. Entry includes a finisher medal and a race shirt if registered by August 5.

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.

A trail race at Oakes Quarry Park in Fairborn, Ohio on August 29, 2026. The 15K covers 9.3 Miles, has a $45 entry fee, offers awards for overall winners, and includes a finisher medal for all participants.

An adventure race at East Fork State Park where solo competitors or teams trek, bike, and paddle to collect checkpoints using map and compass. Timed 6 hour and 12 hour formats are USARA sanctioned and include boat rental options.

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.

Support service members and their families at Reynoldsburg Civic Park. Choose between a 5k obstacle course with mud and walls or a stroller friendly paved 5k run through the park grounds.

A multi-distance running event held each September at Wright-Patterson Air Force Base and the National Museum of the U.S. Air Force, with in-person and virtual race options, an expo, a pasta dinner and a finish line festival.

A September 2026 trail race at Freedom Hills Ministries featuring a 1 Mile kids run, 5K and 10K with age-group prizes and finisher medals, plus an Ultimate Challenger that consists of a 5K every hour for 12 hours.

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.

Flag City Backyard Ultra in Findlay, OH is a last person standing race around Findlay Reservoir where runners repeat a 4.3 mile loop each hour. The event is self supported and features professional timing, live streaming, and a technical sh..

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 50K trail race at Hueston Woods made of alternating 5K and 10K loops, with aid stations, a custom finisher medal, and postrace drinks and pizza.