Trail Running calendar near Greenville 2026-2027

A community 5K in Troy, Ohio on May 3, 2026, part of the Miami County Park District Trail Run Challenge, with multiple registration and pricing options, on-site check-in, health assessments, and awards by overall and age group.

This 10 km trail race is organized by the Ohio River Road Runners Club at George Rogers Clark State Park. Entry is free for club members and runners 14 and under, and just $10 for others. It's a chip-timed event with refreshments and age gr..

Hit the trails at John Bryan State Park on May 9 and 10, 2026, for scenic, challenging courses from 5K to a looping half marathon plus relays and a 6 hour challenge. Finish with a medal and aid stations; grab a Pack Pass for the season.

A six hour timed trail event at John Bryan State Park where runners complete as many 5K loops as they can; official completion requires at least four loops and results are by total loops completed.

Trail races at Oakes Quarry Park in Fairborn, Ohio on May 9, 2026, traverse limestone cliffs and wooded trails. Events include a 1.55 mile fun run plus 5K, 10K, and 15K distances, with awards and finisher medals.

A community trail 5K and fun run in Zanesfield, Ohio on May 9, 2026 that welcomes runners and walkers. Registration opens April 9 and a race t shirt and swag are guaranteed for registrations by April 20.

Timed loop running options of 30 or 60 minutes plus a 0.25-mile Kids Dash at Leeds Farm in Ostrander on May 15, 2026. Hosted by the BVW PTO, proceeds support Buckeye Valley West school programs.

This unique 50K ultramarathon at Hueston Woods State Park challenges runners to complete ten 5K loops, each within a strict 50-minute window. The weekend also features half marathon, 10K, 5K, and 6-hour race options for all participants.

An annual rucking event at Harbour Shores Church in Cicero using a mostly unpaved one mile loop; options include a timed four hour ruck or a 5k trail ruck with three one mile laps.

Experience a diverse trail race at Hueston Woods State Park. Choose from several distances including a half marathon and explore unique terrain filled with ancient fossils.

This cupless 50k ultramarathon features a scenic 3-loop course through the limestone gorge of John Bryan State Park. Runners face a 9-hour cutoff but can opt for an early start. Registration includes a tech shirt, and all finishers receive..

Experience the ridges and meadows of Mt. Airy Forest in this multi distance trail race. Choose between 5.4 or 10.6 miles with early start options for those needing extra time on the scenic counter clockwise loop.

Run a one mile trail course while consuming four beverages to support local veterans in Roanoke. This unique event features beer, seltzer, and Fireball categories for participants aged 21 and over.

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.

Experience a Memorial Day trail run through the limestone cliffs and wooded paths of Oakes Quarry Park. Choose between 5k, 10k, and 15k distances and earn a finisher medal on this scenic Ohio course.

A 13.1 mile trail half-marathon at French Park in Cincinnati run as four loops of a 5K course. The course includes substantial elevation gain, a 3 hour time limit, finisher medal, and a half-marathon finisher t-shirt.

A weekend of obstacle races at Perfect North Slopes near Cincinnati, featuring Sprint, Super, Beast, Ultra and kids races across hilly, muddy terrain with onsite parking and a base-lodge festival area.

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.

Trail races at Oakes Quarry Park in Fairborn, Ohio on June 6, 2026 offer 5K, 10K and 15K routes through limestone cliffs and wooded trails, with awards for overall winners and a finisher medal for all finishers.

A community event in Lawrenceburg combining an Oxbow 5K run/walk and an untimed Adventure Trek through the Guard Archaeological Preserve. Single registration covers both activities and includes a T-shirt plus festival access.