All 10 ultramarathons in South Korea, from 50K to 200 miles, with the climb, the cutoff and the date for each. 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 |
|---|---|---|---|---|---|
| TransJeju by UTMB - Jeju100M | 104 km | Jeju, South Korea | Oct 2, 2026 | 13,189 ft | 29 h |
| TransJeju by UTMB - Jeju100M | 107km | Jeju, South Korea | Oct 2, 2026 | 13,950 ft | 29 h |
| TransJeju by UTMB - Jeju100M | 150km | Jeju, South Korea | Oct 2, 2026 | 16,404 ft | 37 h |
| TransJeju by UTMB - Jeju100M | Jeju60K | Jeju, South Korea | Oct 2, 2026 | 4,593 ft | 15 h |
| Dtrail Race | 50km | Daejeon, South Korea | Oct 17, 2026 | 8,727 ft | 13 h |
| LEGEND TRAIL | 50 km | Mungyeong, South Korea | Nov 7, 2026 | 10,925 ft | 12.5 h |
| Korea 50K | 50km | Dongducheon, South Korea | Apr 24, 2027 | 11,024 ft | 13 h |
| GEOJE | 101 km | geojesi, South Korea | May 29, 2027 | 16,759 ft | 28 h |
| GEOJE | 62 km | geojesi, South Korea | May 29, 2027 | 10,791 ft | 17 h |
| KOREA 50K CHUNCHEON | 51 km | CHUNCHEON, South Korea | Jun 6, 2027 | 10,069 ft | 13 h |