Trail Running calendar near Yellow Springs 2025-2026

The Dawg Gone Long Run 50k/50 Miler is a trail ultramarathon held at Caesar Creek State Park in Waynesville, Ohio. Scheduled for late June, it offers two distances: a 50-mile race consisting of three counterclockwise loops and a 50k race with two loops on scenic single-track trails around Caesar Cre..

The Dirt Days Trail Series - East Fork SP Trail Run is held at East Fork State Park in Bethel, Ohio. This event features trail runs on the well-established Backpack Trail, offering distances of 5.6 miles (one lap) and 10.8 miles (two laps), with an additional Trekker category for early starters or t..

The Buckeye Moon Trail Runs is a unique night trail running event held at Alum Creek State Park in Galena, Ohio. Scheduled for the evening of August 9, 2025, it offers four distance options: 7K, 13K, 20K, and 26K, run on a moderately rolling, wide-track loop trail alongside Alum Creek Reservoir. The..

The Last Buckeye Standing Backyard Ultra is a challenging endurance running event held at Alum Creek State Park in Lewis Center, Ohio. Participants run a 4.167-mile loop on the scenic Alum Creek Hiking Trail, featuring grass ski paths and single-track trails with moderate elevation changes. The race..

The Steel City 12 Hour Run & Ruck is a unique endurance event held at Smith Park in Middletown, Ohio. Participants run or ruck for 12 hours on a flat, paved 1.52-mile loop course that parallels Middletown Regional Airport. The race offers various distance goals including half marathon (ruck only), m..

The East Fork race event in Bethel, Ohio, offers challenging trail runs with distances of 100 miles, 100K, 50K, and 15 miles around William H. Harsha Lake in East Fork State Park. The course features a counterclockwise loop of about 33 miles, with runners completing multiple loops depending on their..

The Powder Keg Trail Run is a popular 3.5-mile trail race held at Carter Park in Kings Mills, Ohio, part of the Dirt Days Trail Series. The scenic and challenging course loops through trails behind the Historic Kings Mansion, descending near the Little Miami River, following the old King Road, explo..

The YOTE is an annual trail running event held in Laurelville, Ohio, offering distances of 50K, 25K, 10K, and a youth 10K. The courses feature single-loop routes primarily on single-track trails, with some sections on bridle trails and forest roads, presenting varied and sometimes technical terrain...

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 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 Hueston Woods Trail Race, held at Hueston Woods State Park in Ohio, offers a variety of trail running events including a half marathon, 10K, 5K, 20K relay, and a unique 6 Hours of Power endurance challenge. The courses feature mixed terrain such as single track trails, pavement, and grass, with..

A Day in the Park in Lebanon, Ohio, is a USTAF-certified ultrarunning event held at Miller Ecological Park featuring a flat, scenic 1-mile crushed gravel loop. The event offers a 24-hour timed race and a new 6-hour option, ideal for first-time ultrarunners or marathoners. Participants can choose to..

The Alum Creek Trail Race, held at Alum Creek State Park in Lewis Center, Ohio, is a two-day trail running event featuring a variety of distances including half marathon, 10K, 5K, 20K relay, and a unique 6 Hours of Power endurance challenge. The courses start and finish at the Alum Creek Marina, sho..

The 2025 Outdoor X12 Endurance Run, held in Dayton, Ohio, is a 12-hour timed endurance event featuring a flat, 2.7+ mile loop course composed of 4% bike path and 96% grass/trail double track. Produced in collaboration with Five Rivers Metroparks and Subaru Outdoor Experience, participants aim to cov..

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 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 run covers approximately 3.44 miles (5.54 km), combining two nature trail loops—Blue Jacket and Little Turtle—offering breathtaking views of..

The Double Days 48 Hour Race is an endurance event held on a private historic farm in West Alexandria, Ohio. It features multiple race options including 12-hour runs and rucks, a 24-hour run, and a 48-hour run on a flat, looped course under one mile long. The terrain varies between mowed pasture, cr..

Rule the Roost is an annual trail running event held in Chillicothe, Ohio, featuring a 7K race, a 12-hour solo run, and a 12-hour two-person relay. The course is a figure-8 loop on 100% hard-packed trail, with wide sections and some technical areas, offering scenic overlooks and cliffs that showcase..

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..

Legends of the Valley is a trail-running event held at Valley View Nature Preserve in Milford, Ohio. Scheduled for October 25, 2025, it features three distinct races: the Arrowhead Trail 5K cross-country race, the Mastodon 2-Hour Endurance Race on a 1.5-mile loop, and the Tailfeather Kids 1.5-Mile R..