Trail Running calendar near Greenville 2026-2027

An endurance ruck and a 5k trail ruck at Harbour Shores Church on a mostly unpaved one mile loop. Participants carry a rucksack loaded to ten percent of body weight and have space for team support.

Weekend trail races at Hueston Woods State Park on May 16 and 17, 2026, featuring half marathon, 10K, 5K, a six hour timed event, a 20K relay, and a Pack Pass good for all 2026 events.

Trail runs at Mt. Airy Forest offering one lap of 5.4 miles or two laps of 10.6 miles, plus Trekker categories that allow extra time and a recorded finish. This is a scored leg of the Dirt Days Trail Series with chip timing.

Events The Caesar Creek Trail Race is a three-day trail running event in late May. It offers multiple distance events on Saturday and Sunday, plus a 10K and 5K on Monday. The available race distances are: Saturday 1/2 Marathon Sunday 1/2 M..

Trail races at French Park in Cincinnati include 5K, 10K and a half marathon on off road trails with notable elevation gain. Events award series points and finisher medals and have a three hour course limit.

Join the ORRRC Challenging Perceptions Adaptive Trail Race at Russ Nature Reserve for an inclusive event for runners, walkers and wheelchair athletes. Pick 1 mile, 2 mile or 5K with staggered starts, chip timed results and refreshments.

Join the ORRRC Possum Creek 5k Trail Race on June 9, 2026 at Possum Creek Metropark in Dayton for a friendly, mostly flat multi surface trail run with chip timing and on course refreshments. Volunteer run and welcoming to all abilities.

Celebrate the solstice with the ORRRC Summer Solstice Trail Run in Yellow Springs on June 20, 2026, featuring a scenic 13.5 mile course at John Bryan State Park. Chip timing, refreshments and volunteer opportunities promise a fun summer tra..

A 3.6 mile trail through French Park in Cincinnati featuring meadow and interior trails with multiple creek crossings using stepping stones, log bridges or water routes. This is the fourth leg of the Dirt Days Trail Series on Father’s Day 2..

A trail race at Mount Airy Forest in Cincinnati on June 27, 2026 offering 5K, 10K, Half Marathon and a 30K run made of three 10K loops. The event includes themed medals, costume awards, and series points within the ATRS program.

Looped trail ultras at Caesar Creek State Park with 50k and 50 mile options on single-track trails. The cupless event has two manned aid stations, drop bag support at the visitor center, and a 14.5 hour cutoff.

The Red Fox Trail Run 10K is a themed trail race in Cincinnati's scenic French Park. Runners complete two loops on the park's off-road trails for their 10K distance. All finishers get a medal, and the event is part of a larger trail running..

This summer cross-country series in Mason features a 2-mile grass race. Compete individually or with a team in high school or open categories. Spectators are welcome free of charge.

Run a 10k trail race in Ohio's largest metro park. The event is free for club members and kids under 15, with a low fee for others. Experience chip timing and a scenic course through prairies and forests.

A community 5K and 1 Mile run/walk on the Pennsy Trail starting and finishing at Sister Cities Park, supporting Sister Cities of Greenfield exchanges with Kakuda, Japan.

A community 5k trail run on the wooded trails of Salamonie Lake that starts and finishes at the Wildlife Management Pond. The event features a free pancake breakfast for participants and corn sales with proceeds supporting local interpretiv..

Join the Powder Keg Trail Run at Carter Park in Kings Mills on August 22 for a scenic 3.5 mile Run or Walk suited to all paces. Enjoy river views, the Stairway to Heaven ascent, and support The Arts Alliance.

Run the Deer Trail Run Half-Marathon through the scenic trails of Cincinnati's Mt. Airy Forest. This themed trail event awards series points and finisher medals. Costumes are encouraged for a chance to win an award.

The 4th annual aMAZing 5k Trail Run winds through the Garber Nature Center in Ohio. Awards are presented to top finishers in 10 year age groups, and walkers are welcome. All proceeds support the Friends of the Preble County Park District.

Celebrate the 30th anniversary of the Air Force Marathon at Wright Patterson Air Force Base in Dayton, Ohio, a Boston qualifying course that finishes at the National Museum of the United States Air Force. Choose from marathon, half, 10K, 5K..