Trail Running calendar near Greenville 2026-2027

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.

Support the Milan cross country team at the Indian Trails 5K in Indiana. This community fundraiser features both running and walking options for participants of all backgrounds.

A 12-hour endurance event at Southeastway Park with solo and relay team options on dirt or paved loop courses of about 1 to 2 miles, plus finisher medals, tech shirts, and awards for top solo and team finishers.

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.

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.

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.

A 5K and a 1 mile run and walk on the Pennsy Trail in Greenfield, IN, held at Sister Cities Park next to the police department. The course is an out and back along the trail and race and volunteer registrations have set dates and fees.

A cross-country 5k on wooded White River trails in Noblesville with timed run, jog, and walk options. Participants receive honey and awards, and proceeds support Teter’s healthy food access and ecological education programs.

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.

A chip timed 5K trail run at Salamonie Lake with wooded, gently rolling trails, a participant pancake breakfast, and fresh sweet corn for sale. Proceeds support Friends of the Upper Wabash Interpretive Services.

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 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.

A six hour timed night trail event at Franke Park where participants complete laps on paved, gravel and single track trails with laps recorded on a whiteboard and electronically.