100mi Summer ultramarathons in Ohio, United States

Scenic routes through Cuyahoga Valley National Park and Summit Metro Parks on 100 and 50 mile courses

203-mile Ohio road ultra from Lake Erie's Walnut Beach to Wellsville, featuring mountain foothills, rolling hills, Amish country, and industrial towns

5-mile crushed limestone loop along the Ohio Erie Canal Towpath and Olde Muskingum Trail, starting in St. Helena Park, Historic Downtown Canal Fulton

2-mile trail loop in Ross County with single track and grass, 200-foot climbs, runnable terrain, and a 24-hour solo or relay format