Trail Running calendar near Casstown 2026-2027

Experience the original event of the Dirt Days Trail Series at East Fork State Park. Run through densely wooded trails on a 5.6 mile or 10.8 mile course with options for early starts and various participation categories.

An orienteering event at Lost Creek Reserve on July 26 hosted by the Miami Valley Orienteering Club, with courses for multiple skill levels, loaner compasses, chip timing, and an $8 entry fee.

A 12 hour run and ruck on a 1.52 mile paved loop at Smith Park in Middletown, Ohio. Chip timing, a stocked aid station, weight rules for ruckers, and student crafted finisher awards for several distance milestones.

Test your endurance at this military inspired obstacle course featuring mud crawls and climbing walls. Supporting the Light Foundation, the event offers a 5k trail for adults and a dedicated race for children.

Trail races at Oakes Quarry Park in Fairborn, Ohio offering 5K, 10K and 15K courses with marked routes, aid stations, awards and finisher medals.

The Fearless 5K in Mechanicsburg features a cross-country 5K, a 1 mile run/walk and a kids 1/4 mile on cinder track, with on-site entertainment and vendors while raising funds for youth 20 and under with serious or life threatening illness.

Women-only 5K obstacle mud run at East Fork Motocross Park on August 2, 2026, featuring 18+ obstacles and open to participants aged 7 and up.

A cross country meet in Westerville, Ohio with youth races and an open adults two mile. Registration is free and individual registration is required; team tents and team uniforms are not permitted.

Evening 2 mile grass cross country races at Corwin Nixon Park in Mason OH on 08/07/2026 with high school and open divisions and free spectator access.

A backyard ultra at Alum Creek State Park using repeating 4.167 mile loops where runners must finish each loop within an hour. The course runs on grass ski paths and single track with moderate elevation and limited aid at the start finish.

Looped trail races on August 8 in Lewis Center OH along Alum Creek Reservoir with distances from 7K to 26K and finisher amenities.

Trail runs at Alum Creek State Park offering morning Sun and night Moon events with loop distances from 7K to 26K and chip timing.

Cross country 5K at Hagerstown High School on August 8, 2026 featuring a double loop of steep hills on grass and dirt with good spectator viewing.

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 Metropark near Galloway, OH. ORRRC members run free; non-members pay $10 for ages 15 and up while ages 14 and under are free.

Trail races at Oakes Quarry Park in Fairborn offering a 1.55 mile fun run plus 5K, 10K, and 15K lap formats through limestone cliffs and wooded trails.

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.

An evening running event in Westerville with a 5K, 1 Mile, and Family Fun Run that raises funds for Westerville Education Challenge and highlights mental health resources and remembrance.

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 races at Oakes Quarry Park on August 29, 2026 offering a 1.55-mile fun run, plus 5K, 10K and a 15K made of laps on a 1.55-mile out-and-back loop.