The 4 100K ultramarathons in Missouri, 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 |
|---|---|---|---|---|---|
| Last Chance Ultra | 100 KM | Stockton, MO | Dec 5, 2026 | — | 19.5 h |
| The Shippey Endurance Runs | 100 KM | High Ridge, MO | Jan 16, 2027 | 9,000 ft | 34 h |
| Iron Heart Ultra | 100 KM | St James, MO | Feb 13, 2027 | 4,428 ft | — |
| BAD DAWG Ultra Endurance Run | 100 KM | Dixon, MO | Aug 14, 2027 | 3,000 ft | 30.5 h |