Trail Running calendar near Lake Darby 2026-2027

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.

Trail Sisters approved trail ultramarathon at Caesar Creek State Park offering *50 Miles* and *50K* on single-track loops with cupless aid stations, manned support, and a 14.5 hour cutoff.

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.

A timed 5K at Patricia Allyn Park on July 19, 2026, with online and day of registration. Current ORRRC members run free; non members 15 and up pay $10.

Arch City XC Festival brings elementary, middle, high school and open two-mile races to Westerville North High School on July 25, 2026, with team scoring for middle and high school and proceeds supporting school programs.

A community 5K run and walk at Riverbend Park in Findlay, open to all ages. Registration includes a T-shirt guarantee if completed by June 25 and tiered fees; timing is provided by Dave’s Running.

A loop-format trail event at John Bryan State Park featuring a 1.1 mile loop with options from a fun mile up to a 13.2 mile half marathon, with water stations and park restrooms on each loop.

A 12 hour run and ruck on a 1.52 mile paved loop at Smith Park in Middletown, Ohio. Chip timing, a stocked aid station, weight rules for ruckers, and student crafted finisher awards for several distance milestones.

Test your endurance at this military inspired obstacle course featuring mud crawls and climbing walls. Supporting the Light Foundation, the event offers a 5k trail for adults and a dedicated race for children.

A Last Runner Standing backyard ultra on a multi generation family farm in Glenmont, OH, featuring wooded trails under old growth canopy, prairie sections, and free camping and parking. Registration closes July 31.

A women only 5K obstacle mud run on August 2, 2026 at East Fork Motocross Park featuring 18+ obstacles, an emphasis on fun and teamwork, and open to participants ages 7 and up.

A women only 5K obstacle mud run at East Fork Motocross Park on August 2, 2026, focused on fun rather than competition, with spectator access, Bag Drop for a fee, and age and waiver requirements for young participants.

A two mile grass cross country meet in Mason Ohio on August 7 2026 with races for high school and open divisions. Registration opens February 3 2026 and the entry fee is $15.

A backyard ultra on a 4.167 mile loop at Alum Creek State Park where runners repeat the loop each hour until only one completes an extra loop. Each loop must be finished within an hour and standard backyard ultra rules apply.

Trail races on a 4.1 mile loop near Alum Creek Reservoir in Lewis Center Ohio. Distances range from 7K to 26K using one to four laps, with marked trails, parking at Galena Boat Ramp, and commemorative finisher items.

A nighttime trail event at Alum Creek Reservoir in Lewis Center, OH offering looped distances of 7K, 13K, 20K and 26K. The course is marked with LED lights, headlamps are required, and finishers receive a commemorative amenity and shirt.

A 5K trail race at Lost Creek Reserve in Troy Ohio on August 9 2026, part of the Miami County Park District Trail Run Challenge. Registration offers shirt and no shirt pricing and a Team Challenge is available.

A 10 km trail race at Battelle Darby Creek Metro Park through prairies, fields and riparian forest. ORRRC members run free while non-members pay a modest fee; check-in with a timing chip is required and service dogs only are permitted.

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.