The 5 100K ultramarathons in Michigan, 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 |
|---|---|---|---|---|---|
| Run Woodstock | 100 KM | Gregory, MI | Sep 11, 2026 | 5,545 ft | 28 h |
| Wolverine State 100 | 100 KM | Petoskey, MI | Oct 10, 2026 | — | 28.5 h |
| Traverse City Trail Running Festival | 100 KM | Traverse City, MI | May 8, 2027 | 2,504 ft | 16 h |
| Badlands Race Series | 100 KM | Brighton, MI | May 15, 2027 | — | 19 h |
| Yankee Springs Trail Run | 100 KM | Middleville, MI | May 29, 2027 | — | 19 h |