September ultramarathons in Ohio, United States

Scenic, demanding 25-mile trail loop through Camp Tuscazoar’s hills, with private property access and nighttime sections for longer distances

Challenging 25-mile loop on single track, railroad beds, and towpath through woodlands, historic sites, and river views with up to 10,000 feet of elevation gain

Steep hills and rugged trails around Dover, Ohio; a hard, no-frills 100-mile test shaped by darkness, fatigue, pain, and natural beauty.

Scenic four-loop course through cedar forests, rolling prairies, and along Twin Creek, with 3,000 feet of elevation gain and varied terrain

95% singletrack course weaving under mature trees, past lakes and waterfalls, with 1,397 feet of gain per 25K loop and highlights like the Covered Bridge

Trail routes through Hocking Hills State Park and State Forest, featuring stream crossings, deep gorges, dense woodlands, and significant elevation changes

Picturesque one-mile loop at Veterans Park, highlighted by the challenging Gorilla Hill and a fast downhill, with team tents along the course

Scenic singletrack loops around William H. Harsha Lake, pine forests, waterfall, open fields, and creek crossings on mountain bike and hiking trails

Primitive singletrack, bridle paths, open fields, rustic camp roads, and Buckeye Trail segments amid autumn foliage in historic Richfield Heritage Preserve

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

Single-loop 50k with technical single-track, bridal trails, and forest roads; variable trail conditions across forested terrain

Scenic trail loops at Freedom Hills Ministries, with repeated-loop format, natural surroundings, and an endurance-focused, community feel.