| Athletics |
2004 Asian Junior Athletics Championships |
Ipoh |
 MAS |
10 km Walk, Men |
🥈 |
 KOR |
|
| Athletics |
2004 World Athletics U20 Championships |
Grosseto |
 ITA |
10 km Walk, Men |
🥉 |
KOR |
|
| Athletics |
2005 Summer Universiade |
İzmir |
 TUR |
20 km Walk, Men |
🥈 |
KOR |
|
| Athletics |
2005 Asian Athletics Championships |
Incheon |
KOR |
20 km Walk, Men |
🥈 |
KOR |
|
| Athletics |
2006 Asian Games |
Doha |
 QAT |
20 km Walk, Men |
🥈 |
KOR |
|
| Athletics |
2009 East Asian Games |
Hong Kong |
 HKG |
20 km Walk, Men |
🥉 |
KOR |
|
| Athletics |
2010 Asian Games |
Guangzhou |
 CHN |
20 km Walk, Men |
🥉 |
KOR |
|
| Athletics |
2011 Asian Race Walking Championships |
Nomi |
 JPN |
20 km Walk, Men |
🥇 |
KOR |
|
| Athletics |
2011 World Athletics Championships |
Daegu |
KOR |
20 km Walk, Men |
🥉 |
KOR |
|
| Athletics |
2014 Asian Race Walking Championships |
Nomi |
JPN |
20 km Walk, Men |
🥇 |
KOR |
|
| Athletics |
2014 Asian Games |
Incheon |
KOR |
20 km Walk, Men |
🥉 |
KOR |
|
| Athletics |
2017 Asian Race Walking Championships |
Nomi |
JPN |
20 km Walk, Men |
🥇 |
KOR |
|
| Athletics |
2018 Asian Race Walking Championships |
Nomi |
JPN |
20 km Walk, Men |
🥉 |
KOR |
|