| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
 USA |
200 m Butterfly, Men |
16 |
 KOR |
|
| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
USA |
200 m Individual Medley, Men |
14 |
KOR |
|
| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
USA |
400 m Individual Medley, Men |
15 |
KOR |
|
| Swimming |
1996 Asian Aquatics Championships |
Bangkok |
 THA |
400 m Individual Medley, Men |
🥉 |
KOR |
|
| Swimming |
1997 East Asian Games |
Pusan |
KOR |
200 m Butterfly, Men |
🥉 |
KOR |
|
| Swimming |
1997 East Asian Games |
Pusan |
KOR |
400 m Individual Medley, Men |
🥇 |
KOR |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
 AUS |
200 m Butterfly, Men |
30 |
KOR |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
AUS |
200 m Individual Medley, Men |
22 |
KOR |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
AUS |
400 m Individual Medley, Men |
17 |
KOR |
|
| Swimming |
1998 Asian Games |
Bangkok |
THA |
4 x 200 m Freestyle Relay, Men |
🥉 |
KOR |
|
| Swimming |
2001 USA Swimming National Championships (Outdoor/LCM) |
Clovis, California |
USA |
200 m Individual Medley, Men |
6 |
KOR |
|
| Swimming |
2001 USA Swimming National Championships (Outdoor/LCM) |
Clovis, California |
USA |
400 m Individual Medley, Men |
4 |
KOR |
|
| Swimming |
2002 Asian Games |
Busan |
KOR |
4 x 200 m Freestyle Relay, Men |
🥉 |
KOR |
|