The 7 100K ultramarathons in Ohio, with each one's climb, cutoff and date. Every race links to its own page, where you can see how it fits the runner you are now.
| Race | Distance | Where | Date | Climb | Cutoff |
|---|---|---|---|---|---|
| East Fork | 100 KM | Bethel, OH | Sep 12, 2026 | 6,000 ft | 40 h |
| Conquer the Castle Trail Race | 100 KM | Willoughby Hills, OH | Nov 7, 2026 | — | 17 h |
| Buzzard Day Trail Race | 100 KM | Hinckley, OH | Mar 13, 2027 | — | — |
| The Big Deal at Great Seal | 100 KM | Chillicothe, OH | May 1, 2027 | — | 34.5 h |
| Fools 2-4-8 Hour Trail Run | 100 KM | Peninsula, OH | May 22, 2027 | — | — |
| Eagle Up Ultra | 100 KM | Canal Fulton, OH | Jun 5, 2027 | — | 24 h |
| Tuscazoar Raw | 100 KM | Dover, OH | Jun 19, 2027 | 10,500 ft | 20 h |