Trail Running calendar near Greenville 2026-2027

Experience the diverse landscapes of Caesar Creek State Park with a range of trail races including 5K, 10K, half marathon, and relay options through scenic woods and meadows.

Trail races of 5K, 10K, and 15K at Oakes Quarry Park in Fairborn on May 25, 2026, featuring limestone cliffs, wooded trails, and quarry views. All finishers receive a medal and overall winners receive special awards.

A trail race at French Shelter Park in Cincinnati offering 5K, 10K and a 13.1 mile half marathon on meadow and woodland trails with notable elevation gain and finisher medals.

A multi-distance Spartan weekend at Perfect North Slopes near Cincinnati with muddy, hilly terrain and multiple obstacle races including Sprint, Super, Beast and Ultra. The festival area and onsite parking are located at the ski resort.

An adaptive trail event at Russ Nature Reserve offering 1 mile, 2 mile, and 5K options; rolling starts accommodate walkers, runners, and wheelchair participants, with member fee waivers and on-site registration options.

Trail races at Oakes Quarry Park in Fairborn, Ohio on June 6, 2026 offering 5K, 10K and 15K courses through limestone cliffs and wooded quarry trails; overall winners receive awards and all finishers get a medal.

A community event in Lawrenceburg combining a 5k through Oxbow trails and an untimed Adventure Trek with six hands-on archaeology stops. Registration includes both activities and festival access with food trucks, music, and family options.

Experience a friendly introduction to trail running at the ORRRC Possum Creek 5K Trail Race. Navigate a low elevation course through meadows and woods in Dayton with accessible terrain for all participants.

Night Owl Trail offers marathon, half marathon and 10K on single track trails around Caesar Creek Lake at night. The event includes stocked aid stations, mandatory headlamps, a cupless policy with collapsible cups required, and glow in the..

A 5K trail race on June 14, 2026 at Garbry Big Woods Reserve in Piqua, part of the Miami County Park District Trail Run Challenge. Multiple registration tiers include shirt and no shirt options; basic health checks and age group awards are..

An obstacle course event on June 20, 2026 at the IU East cross country course in Richmond IN with a 3 mile route and more than a dozen challenges, race shirts, medals, snacks, and a fan zone. Proceeds support Reid Health athletic training s..

A summer solstice trail race at John Bryan State Park near Yellow Springs covering about 13 miles with chip timing and generous time limits. ORRRC members run free; non-members pay $10 and animals are not allowed except service dogs.

Experience a 3.6 mile trail run at French Park featuring meadows and multiple creek crossings. This fourth leg of the Dirt Days Trail Series offers age graded awards and random door prizes in a picturesque Cincinnati park.

A two day obstacle course weekend in Bloomfield Township Ohio on June 27-28 2026 featuring a 1.5 mile military style Battle Challenge with a live fire range, multiple race distances, large water slides, camping and the USA OCR national cham..

A 30K trail race at Mount Airy Forest in Cincinnati made of three 10K loops. Finishers receive a t-shirt and medal; the race counts toward the Alpine Trail Race Series and awards series points.

Empower Backyard Ultra in Lebanon, Ohio on June 27, 2026 features hourly 4.1667-mile loops on wooded trails, a night bike-path out-and-back, and fixed 12-hour and 24-hour backyard events with a 150-runner capacity.

Test your navigation skills at this orienteering event in Camden Ohio. Use a map and compass to find checkpoints across various course levels through woodland trails in any weather condition.

A Trail Sisters approved summer trail ultra at Caesar Creek State Park offering 50 mile and 50k counterclockwise loops, cupless aid stations with food options, and 14.5 hour cutoffs. Expect single-track rollers and two manned aid stations.

Trail runs at Battelle Darby Creek Metro Park offering 5k and 10k distances and supporting FLIP's cancer prevention work. The 5k is relatively flat and family friendly while the 10k finishes with a stair climb noted by local runners.

A 5K trail race on July 12, 2026 at Stillwater Prairie Reserve in Covington, OH, as part of the Miami County Park District Trail Run Challenge. Multiple pricing and series options are offered; no dogs are allowed.