Trail Running Calendar Ohio 2026-2027

A cross country style 5K run and 1 mile walk on the fairways of Fallen Timbers Golf Course in Waterville, Ohio. Proceeds support Nature's Nursery and another local Northwest Ohio charity.

Trail races and a fun run at Oakes Quarry Park in Fairborn, Ohio, featuring limestone cliffs, wooded trails, and distances of 1.55 Miles, 5K, 10K, and 15K; shirts for early registrants, medals for all finishers.

A 5K cross country race at Penitentiary Glen Reservation in Willoughby on August 18, 2026. The course mixes grass fields and crushed limestone trails, with separate races for male and female competitors and open entry for kids and adults.

A 5k (3.1 miles) mud run in Oak Harbor with 20+ obstacles offering "challenge" and "Xtreme" lines, participant medals and T-shirts, and a 10% proceeds donation to Ronald McDonald House Charities.

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.

Endurance race on one of Cleveland's steepest hills where runners complete as many laps as possible within 1, 3, 6, or 12 hour limits. All registrations and donations go directly to cancer patients through the Nelson Family Foundation.

A 15K trail race through limestone cliffs and wooded trails at Oakes Quarry Park in Fairborn, Ohio on August 29, 2026. The entry fee is $45 and registrations by August 15 include a short sleeve shirt.

A festival-style trail event at Hemlock Creek Picnic Area with run, ruck and 1-mile options, a river crossing on the longer route, live German music and a biergarten. A portion of proceeds benefits Bike Cleveland.

A multi distance trail endurance event at Camp Tuscazoar in Dover OH featuring a 25 mile loop, night run options, cupless aid stations, pacer rules for the longest distances, and awards including belt buckles and medals.

Experience a unique trail race at Camp Manatoc featuring technical single track paths normally closed to the public. Run the half marathon 15k or 5k distances through wooded terrain with special permission to bring your dog along.

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.

Trail races in Hocking Hills State Park on September 12 2026 feature five distances from 5K to 50K, mostly on trail through Old Man's Cave, Cedar Falls and Ash Cave, with GPX files and mapped distances provided.

Trail ultramarathons of 25K and 50K around scenic Mill Creek Park in Youngstown featuring mostly single track trails, rocky and rooted terrain, a rugged stream crossing, and staffed aid stations.

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 community 5K at Cardinal Aggregates Quarry in Perrysburg on September 12, 2026, offering a run, a walk, and a kids run or walk over 3.1 Miles. Registration opens June 1 and includes a race T shirt and post race refreshments.

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.