| Comp | Event | Result | Pos | Rep | Date | Stage | IAAF pts | Rec |
|---|---|---|---|---|---|---|---|---|
| Asian Games 2018 Indonesia | 20km Walk (Women) | 1:37:31 | 5 | KOR | 2018-08-29 00:00:00 | FINAL | ||
| World Championship 2017 London | 20km Walk (Women) | 1:33:29 | 30 | KOR | 2017-08-13 00:00:00 | FINAL | 1110 | SB |
| Olympic Games 2016 Rio | 20km Walk (Women) | 1:36:31 | 39 | KOR | 2016-08-19 00:00:00 | FINAL | 1070 | |
| World Championship 2015 Beijing | 20km Walk (Women) | 1:35:48 | 27 | KOR | 2015-08-28 00:00:00 | FINAL | 1080 | |
| Olympic Games 2012 London | 20km Walk (Women) | DQ | KOR | 2012-08-11 00:00:00 | FINAL | 0 |