| Comp | Event | Result | Pos | Rep | Date | Stage | IAAF pts | Rec |
|---|---|---|---|---|---|---|---|---|
| Olympic Games 2012 London | 20km Walk (Men) | DNF | KOR | 2012-08-04 00:00:00 | FINAL | 0 | ||
| Asian Games 2018 Indonesia | 50km Walk (Men) | DQ | KOR | 2018-08-30 00:00:00 | FINAL | |||
| World Championship 2017 London | 50km Walk (Men) | 3:59:46 | 29 | KOR | 2017-08-13 00:00:00 | FINAL | 1105 | SB |
| Olympic Games 2016 Rio | 50km Walk (Men) | DQ | KOR | 2016-08-19 00:00:00 | FINAL | 0 | R230.7a | |
| World Championship 2015 Beijing | 50km Walk (Men) | 3:56:42 | 23 | KOR | 2015-08-29 00:00:00 | FINAL | 1123 | SB |
| Olympic Games 2012 London | 50km Walk (Men) | 3:45:55 | 13 | KOR | 2012-08-11 00:00:00 | FINAL | 1187 | NR |