| Comp | Event | Result | Pos | Rep | Date | Stage | IAAF pts | Rec |
|---|---|---|---|---|---|---|---|---|
| World Championship 2017 London | Marathon (Women) | 2:39:52 | 38 | KOR | 2017-08-06 00:00:00 | FINAL | 1037 | |
| World Championship 2015 Beijing | Marathon (Women) | 2:42:14 | 30 | KOR | 2015-08-30 00:00:00 | FINAL | 1015 | |
| Olympic Games 2012 London | Marathon (Women) | 2:46:38 | 96 | KOR | 2012-08-05 00:00:00 | FINAL | 975 |