Trail Running calendar near Greenville 2025-2026

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..

Prairie On Fire Backyard Ultra is Central Indiana’s only official Backyard Ultra, staged at Koteewi Park’s White River Campground in Noblesville. In its fourth year, the race features a 4.167-mile loop repeated on a dirt and gravel day course through Koteewi Park, followed by a 4.167-mile paved out-..

Firefly Six Hour Trail Race is a six-hour timed night trail race at Franke Park in Fort Wayne, Indiana. Runners complete as many laps as they can on a 4.1-mile loop featuring about one mile of paved path, two miles of gravel, and one mile of single-track dirt. Each loop starts and finishes at the HU..

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..

Raptor Run 5K takes place in Greenville, Ohio, on the trails of Shawnee Prairie Preserve near the Nature Center. The 5K course winds through prairies, beneath woodland canopies, and around wetlands, passing landmarks such as the Sugar Shack, Log House, and Blacksmith Shop before finishing at the Nat..

DIRTY FOX FIVE HOUR TRAIL RELAY is a five-hour trail race at Franke Park in Fort Wayne, Indiana. Runners follow a three-mile loop on the east side, while riders tackle a five-mile loop on the west. Teams or solo participants aim to complete as many full laps as possible within the time limit, with n..

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..

Sprint for Survivors is a fundraising running and walking event in Marysville, Ohio, at Jim Simmons Trail. It offers a 1-mile walk, a 5k, and a 10k, inviting participants of all levels. The event raises awareness of human trafficking and supports She Dreams Again, a faith-based nonprofit aiding trau..

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..

The Hueston Woods Trail Race takes place at Hueston Woods State Park in Ohio, offering a variety of trail running events over a weekend in late September. Participants can choose from distances including a half marathon, 10K, 5K, 20K relay, and a unique "6 Hours of Power" endurance challenge. The co..

The ORRRC Stillwater 7 Miler is a scenic trail running event held at Stillwater Prairie Reserve in Covington, Ohio. The course features two loops of 3.6 miles each, primarily on dirt or mulched trails (75%), with some gravel and meadow sections, including multiple mid-calf river crossings of the Sti..

The 2025 Outdoor X12 Endurance Run (OX12) takes place in Dayton, Ohio, at 1385 Harshman Road. The course is a flat 2.7+ mile loop with 4% bike path and 96% grass/trail double track. Produced with Five Rivers Metroparks and the Subaru Outdoor Experience, it is a time-based event awarding finisher med..

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..

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. The race requires a minimum of four loops to officially finish, with official times recorded upon completing the fourth..

The West Side, Best Side 5K Trail Run is part of the Dirt Days Trail Series held at Shawnee Lookout Hamilton County Park in North Bend, Ohio. This scenic trail race covers approximately 3.44 miles (5.54 km) combining the Blue Jacket and Little Turtle nature trails, offering breathtaking views of the..

Double Days 48 Hour Race is held on a private historic farm in West Alexandria, Ohio. The event offers endurance options including 12-, 24-, and 48-hour runs, with a loop under one mile that twists through pasture, crushed stone, and pavement. The course is flat and beginner-friendly, yet surprising..

The John Bryan Trail Race, held in Yellow Springs, Ohio, is a scenic trail running event set in John Bryan State Park, known for its stunning limestone gorge and views along the Little Miami State and National Scenic River. The race weekend features multiple distances including a half marathon (two..