Outdoor X12 Endurance Run

The Air Force Marathon is an annual endurance event held the third Saturday of September at Wright-Patterson Air Force Base in Dayton, Ohio. The 2025 race weekend is scheduled for September 18-20 and is listed as the 29th anniversary. Past event figures shown include about 8,500 total athletes, par..

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..

Doggie Dash Trail 5K at Wagner Subaru Outdoor Experience in Dayton, Ohio, is a dog-friendly running event held as part of the Wagner Subaru Outdoor Experience festival. The course is a unique off-road 5K around Eastwood MetroPark, weaving through grassy fields, tree-lined trails, and along the Mad R..

The Caesar Creek Trail Race, held in Waynesville, Ohio, offers a variety of trail running events over a weekend in October. Participants can choose from a half marathon, 10K, 5K, 20K relay, and a unique "6 Hours of Power" endurance event. The races take place at Caesar Creek State Park, featuring sc..