Trail Running calendar near Lake Darby 2026-2027

A trail running event near Chillicothe, Ohio offering youth 2 mile, 10k, 24 hour solo and relay, and a new 100 mile solo option with a 32 hour limit; parking shuttle and assigned 10x10 crew spaces.

Experience a trail race along the largest inland beach in Ohio at Alum Creek State Park. Choose from distances ranging from 5K to a half marathon or join a relay team to run through scenic shale cliffs.

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.

A spring trail event at Oakes Quarry Park in Fairborn, Ohio on June 6, 2026 offering 5K, 10K, and 15K courses across limestone cliffs and wooded trails; overall winners receive awards and all finishers get a medal.

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.

A night trail event at Caesar Creek State Park offering full marathon, half marathon and 10K on single track loops around the lake. The cupless race has four aid stations, required headlamp gear, glow in the dark medals and equal podium spo..

A last person standing running event in Zanesville where runners repeat a one-mile loop every 15 minutes along Joe's Run Trail; both ends have rest areas and the event supports the Zanesville Soccer Boosters.

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..

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.

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..

Hourly 4.1667 mile Backyard Ultra loops at Countryside YMCA in Lebanon Ohio on June 27 2026, plus fixed 12 hour and 24 hour backyard options. Field limited to 150 runners and crews are limited to three people per runner.

An orienteering event in Camden, OH on 06/28/2026 offering a 10 km map and compass course with multiple skill levels, chip timing, and loaner compasses. Registration runs from 05/01/2026 to 06/27/2026 with a fee of $8.00.

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.

Trail races at Oakes Quarry Park in Fairborn, Ohio offering 5K, 10K and 15K courses through limestone cliffs and wooded trails. Early registration by July 10 includes a short sleeve race shirt; all finishers receive a medal.

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 certified 5K trail run and walk at Riverbend Park in Findlay, Ohio, along the tree lined Blanchard River. Entry fees vary by age and a Competitive Division fee adds official timing and ranking eligibility.

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.