Trail Running calendar near Mason 2026-2027

We have found 72 Trailruns within 80 miles of Mason. See below where and when you can find the races.

Trail races at Hueston Woods State Park on May 16–17, 2026 offer multiple distances from 5K to a looped 50K that requires completing ten loops. Aid stations, finisher medals, a shirt order code, and drinks and pizza at the finish are provid..

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.

A three loop 50 kilometer race through John Bryan State Park in Yellow Springs, Ohio on May 16, 2026. The event is cupless with fully manned aid stations, a nine hour cutoff, and finishing awards plus top three awards by gender.

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.

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.

Trail races of 5K, 10K, and 15K at Oakes Quarry Park in Fairborn on May 25, 2026, featuring limestone cliffs, wooded trails, and quarry views. All finishers receive a medal and overall winners receive special awards.

Trail running events at A.W. Marion State Park along Hargus Lake shoreline, featuring a half marathon, 10K, 5K, 6 Hours of Power and a 20K relay across 310 acres of woodlands and native landscapes.

Approximate 5K adventure race at East Fork State Park near Cincinnati with 15+ natural and man-made obstacles, from mud crawls and wall climbs to cargo nets and a sandy beach finish.

A trail race at French Shelter Park in Cincinnati offering 5K, 10K and a 13.1 mile half marathon on meadow and woodland trails with notable elevation gain and finisher medals.

June 2026

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.

Metahqua 24 in Chillicothe Ohio runs on a two mile loop with mixed single track and grass and offers youth 2 mile, 10k, 24 hour solo and relay, and a new 100 mile option with a 32 hour limit.

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.

Trail races at Oakes Quarry Park in Fairborn, Ohio on June 6, 2026 offering 5K, 10K and 15K courses through limestone cliffs and wooded quarry trails; overall winners receive awards and all finishers get a medal.

A community event in Lawrenceburg combining a 5k through Oxbow trails and an untimed Adventure Trek with six hands-on archaeology stops. Registration includes both activities and festival access with food trucks, music, and family options.

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.

Night Owl Trail offers marathon, half marathon and 10K on single track trails around Caesar Creek Lake at night. The event includes stocked aid stations, mandatory headlamps, a cupless policy with collapsible cups required, and glow in the..

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..

An obstacle course event on June 20, 2026 at the IU East cross country course in Richmond IN with a 3 mile route and more than a dozen challenges, race shirts, medals, snacks, and a fan zone. Proceeds support Reid Health athletic training s..

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.

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.

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