Outdoor X12 Endurance Run

The Germantown 50k and 50k Team Relay is an ultra trail running event held in Germantown MetroPark, Ohio. The race features a challenging 50k distance with approximately 3,000 feet of elevation gain, taking runners through cedar forests, prairies, old-growth woods, and scenic hills alongside Twin Cr..

The aMAZing 5k Trail Run at Garber Nature Center takes place at Garber Nature Center in Lewisburg, Ohio. This is the 3rd annual 5-kilometer trail race, set in the beautiful surroundings of the nature center, with an awards structure that honors the top male and female finishers in each 10-year age g..

The Air Force Marathon is an annual endurance event held at Wright-Patterson Air Force Base in Dayton, Ohio, typically on the third Saturday of September. It offers a variety of race distances including a full marathon, half marathon, 10K, 5K, a 3-person marathon relay, and a 1K kids' run called the..

The Caesar Creek Trail Race, held at Caesar Creek State Park in Waynesville, Ohio, is a scenic trail running event featuring multiple race options over a weekend in September. Participants can choose from a half marathon, 10K, 5K, 20K relay, and a unique "6 Hours of Power" endurance challenge. The c..

A Day in The Park (ADITP) is a 24-hour ultramarathon held at Miller Ecological Park in Lebanon, Ohio. The event features a fast, flat 1-mile loop on crushed gravel that is USATF-certified (OH24030JHP). Runners can pursue either the traditional 24-hour finish or count a 100-mile effort within that wi..

The 6 Hours of Power at Caesar Creek State Park in Waynesville, Ohio, is a unique endurance running event where participants complete as many 5K loops as possible within six hours. Runners must finish at least four loops to officially complete the race, with their official time recorded upon complet..