Seo, Dong-Soo
South KoreaManBorn 19702022 – 2026Runner id 2031034
Events
9
2022 – 2026
Best pace
10.563
km/h · 2026
Best finish
4th
of 150 · 2026
Distance raced
904
km · splits not double-counted
Pace over time
km/h · higher is faster
Pace over time: 9 races from 2022 to 2026, ranging from 5.09 to 12.38 kilometres per hour, where higher is faster. A second, age-graded series is drawn above it; the gap between the two is the age credit.
- Actual pace
- Age-graded pace
Results
| Date | Event | Distance | Result | Pace km/h | Placing |
|---|---|---|---|---|---|
| 2022-09-03 | Suncheon Bay 100 km UltramarathonSouth Korea | 102km | 14:23:00 h | 7.092 | 17/67 |
| 2023-04-29 | Korea 50KSouth Korea | 50km | 9:49:09 h | 5.092 | 115/437 |
| 2024-06-09 | Gwangju 100km Ultra MarathonSouth Korea | 100km | 13:19:00 h | 7.509 | 45/163 |
| 2024-09-07 | Suncheon Bay 100 km UltramarathonSouth Korea | 102km | 16:59:00 h | 6.006 | 130/170 |
| 2025-03-08 | Busan Beach Ultramarathon 100kmSouth Korea | 100km | 10:32:00 h | 9.494 | 9/165 |
| 2025-04-26 | Korea 50KSouth Korea | 50km | 8:57:58 h | 5.577 | 113/727 |
| 2025-05-24 | Jeju-do around 200 kmSouth Korea | 200km | 28:34:03 h | 7.001 | 5/37 |
| 2025-06-14 | Gwangju 100km Ultra MarathonSouth Korea | 100km | 13:53:00 h | 7.203 | 41/157 |
| 2026-03-07 | Busan Beach Ultramarathon 100kmSouth Korea | 100km | 9:28:00 h | 10.563 | 4/150 |