| World Championship 2019 Doha | 20km Walk (Men) | 1:42:13 | 37 | KOR | 2019-10-04 00:00:00 | FINAL | | |
| Asian Games 2018 Indonesia | 20km Walk (Men) | 1:27:17 | 4 | KOR | 2018-08-29 00:00:00 | FINAL | | |
| World Championship 2017 London | 20km Walk (Men) | 1:22:08 | 26 | KOR | 2017-08-13 00:00:00 | FINAL | 1155 | |
| Olympic Games 2016 Rio | 20km Walk (Men) | 1:21:44 | 17 | KOR | 2016-08-13 00:00:00 | FINAL | 1163 | SB |
| World Championship 2015 Beijing | 20km Walk (Men) | 1:21:40 | 10 | KOR | 2015-08-23 00:00:00 | FINAL | 1164 | |
| Olympic Games 2012 London | 20km Walk (Men) | 1:21:36 | 17 | KOR | 2012-08-04 00:00:00 | FINAL | 1165 | SB |
| Olympic Games 2016 Rio | 50km Walk (Men) | DNF | | KOR | 2016-08-19 00:00:00 | FINAL | 0 | |