Trail Running calendar near Mason 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.

The Hargus Lake Trail Race offers trail running through the scenic woodlands and along the lake shore at A.W. Marion State Park. Participants can choose from a half marathon, 10K, 5K, or a timed 6-hour event. All races take place on May 30,..

Experience the wooded trails and meadows of Cincinnati at French Park. Choose from 5K, 10K, or Half Marathon distances featuring significant elevation and themed costumes in a community trail race atmosphere.

This adaptive trail race at Russ Nature Reserve welcomes all abilities with a choice of 1-mile, 2-mile, or 5K distances. It's free for ORRRC members and youth 14 & under, or $10 for others. A rolling start allows flexible arrival times.

This 5K trail race takes place at Possum Creek Metropark on a course with varied surfaces and minimal elevation change. It's a low-cost, community-focused event organized by the all-volunteer Ohio River Road Runners Club. Registration is fr..

Run through the woods at night on the single-track trails of Caesar Creek State Park. Choose from marathon, half marathon, or 10K distances in this cupless, gear-mandatory race. Finishers earn a glowing owl medal, with awards for top perfor..

Join a community event in Greensburg supporting individuals with special needs. Features a 5K trail run and 400m dashes for all abilities set within 264 acres of scenic woods and hills.

Run a 13.5-mile trail course starting from John Bryan State Park in Yellow Springs. This club event is free for ORRRC members and just $10 for others, offering chip timing and refreshments. The first 200 finishers get an award.

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 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.

Experience the natural beauty of Muscatatuck County Park with trail races ranging from 5k to 15k. This outdoor weekend in Indiana also features kids races, mountain biking, and kayaking trips along the river valley.

Experience the scenic Battelle Darby Creek Metro Park with a family friendly 5k trail walk or a demanding 10k run featuring a famous stair climb finish. Join a community event supporting a healthy cancer preventative lifestyle.

Join the Tiger Trail 5K in Lawrenceburg, part of the summer SIRC series supporting local school running programs. Choose from a run, walk, or cross-country member event, with special pricing for team members. Complete the circuit for a chan..

Experience the natural beauty of French Park in Cincinnati with this trail race featuring wooded paths and creek crossings. Finishers receive themed medals and can compete for points in a season-long trail running series.

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.

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.

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 through 7000 acres of prairies and forests at the Darby Creek Bison 10k Trail Race. Enjoy a chip timed course in Ohio largest Metro Park with awards for multiple age categories.

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.