6hr ultramarathons in Ohio, United States

3.2-mile mostly flat loop around Nocterra Brewing with modest elevation and a 6-hour ultra format, featuring festive atmosphere and lively distractions

Demanding 1.1-mile loop with 140 feet of elevation gain per lap, steep climbs on Hogsback Lane, a mix of paved and singletrack in Rocky River Reservation

Certified 1.05-mile loop with flat, gentle terrain and minimal elevation at Miller Ecological Park; choice of 100-mile or 24-hour ultrarunning format

Trail-centered 50K in a state park, with a clearly marked, supported course, aid stations, reliable timing, and scenic outdoor miles.

Flat, roughly mile-long loop with field, wooded trail and pavement, plus a small mound each lap; steady rhythm over long hours

Looped road course in a scenic metro park, 6 Hour and 50k options, rhythmic pacing across a 1.3-mile circuit with support from Athlete's Village

Flat, USATF-certified 1-mile crushed gravel loop with minimal elevation in scenic Miller Ecological Park; options for 100 miles or 24 hours

8-hour looped course at Alum Creek State Park featuring Ohio shale cliffs, inland beach views, farmland contrasts, and stream-carved bedrock terrain

3.0-mile loop with 237 feet of elevation gain per lap, mostly shaded gravel camp roads and trails, late May temperatures between 58 and 78 degrees

Forest trail with undulating paths, towering trees, and occasional lake and river views; includes challenging climbs and a village finish.

Rolling woodland trails and native landscapes circling Hargus Lake at A.W. Marion State Park

Scenic Alum Creek State Park trails with Ohio shale cliffs, routes along the largest inland beach, and diverse natural landscapes