| Swimming |
2003 World Aquatics Championships |
Barcelona |
 ESP |
4 x 100 m Freestyle Relay, Men |
19 |
 KOR |
|
| Swimming |
2004 Swim World Cup |
Daejeon |
KOR |
1,500 m Freestyle, Men |
🥈 |
KOR |
|
| Swimming |
2005 Swim World Cup |
Daejon |
KOR |
1,500 m Freestyle, Men |
🥉 |
KOR |
|
| Swimming |
2005 World Aquatics Championships |
Montréal |
 CAN |
400 m Freestyle, Men |
37 |
KOR |
|
| Swimming |
2005 World Aquatics Championships |
Montréal |
CAN |
800 m Freestyle, Men |
31 |
KOR |
|
| Swimming |
2005 World Aquatics Championships |
Montréal |
CAN |
1,500 m Freestyle, Men |
22 |
KOR |
|
| Swimming |
2005 East Asian Games |
Macau |
 MAC |
4 x 200 m Freestyle Relay, Men |
🥈 |
KOR |
|
| Swimming |
2006 Swim World Cup |
Daejon |
KOR |
400 m Freestyle, Men |
🥈 |
KOR |
|
| Swimming |
2006 Swim World Cup |
Daejon |
KOR |
1,500 m Freestyle, Men |
🥉 |
KOR |
|