The 6 100 mile ultramarathons in Oklahoma, 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 |
|---|---|---|---|---|---|
| Tulsa Urban Adventure | 100 Miles | Tulsa, OK | Sep 26, 2026 | — | 34 h |
| Pumpkin Holler Hunnerd | 100 Miles | Tahlequah, OK | Oct 17, 2026 | 5,771 ft | 30 h |
| Lake Murray Endurance Run | 100 Miles | Ardmore, OK | Oct 24, 2026 | 7,500 ft | 32 h |
| Outlaw 100 Oklahoma | 100 Miles | Wilburton, OK | Feb 13, 2027 | 17,500 ft | 48 h |
| Lake Vian Hilltop Run | 100 Miles | Vian, OK | Feb 27, 2027 | 7,500 ft | 32 h |
| Midnight Madness | 100 Miles | Tulsa, OK | Jul 3, 2027 | — | 30 h |