The 5 50K ultramarathons in South Dakota, 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 |
|---|---|---|---|---|---|
| Glacier Hills 50k Ultra | 50 KM | Canton, SD | Nov 7, 2026 | 850 ft | 8 h |
| Tuthell 50K | 50 KM | Sioux Falls, SD | May 1, 2027 | 9,000 ft | 12 h |
| Black Hills Run | 50 KM | Sturgis, SD | Jun 25, 2027 | 3,891 ft | 12 h |
| Crazy Bear Ultra | 50 KM | Sioux Falls, SD | Jul 17, 2027 | 1,200 ft | 9 h |
| Lean Horse | 50 KM | Custer, SD | Jul 31, 2027 | — | 9 h |