Year |
Competition |
Venue |
Position |
Event |
Notes
|
Representing South Korea
|
2002
|
Asian Junior Championships
|
Bangkok, Thailand
|
5th
|
10,000 m
|
48:11.00
|
2004
|
Asian Junior Championships
|
Ipoh, Malaysia
|
2nd
|
10,000 m
|
42:49.80
|
World Junior Championships
|
Grosseto, Italy
|
3rd
|
10,000 m
|
40:59.24
|
World Race Walking Cup
|
Naumburg, Germany
|
8th
|
10 km
|
42:04
|
2005
|
Universiade
|
Izmir, Turkey
|
2nd
|
20 km
|
1:24:42
|
Asian Championships
|
Incheon, South Korea
|
2nd
|
20 km
|
1:25:41
|
2006
|
Asian Games
|
Doha, Qatar
|
2nd
|
20 km
|
1:23.12
|
2007
|
Universiade
|
Bangkok, Thailand
|
6th
|
20 km
|
1:27:20
|
World Championships
|
Osaka, Japan
|
20th
|
20 km
|
1:26:51
|
2008
|
Olympic Games
|
Beijing, China
|
23rd
|
20 km
|
1:22:57
|
World Race Walking Cup
|
Cheboksary, Russia
|
20th
|
20 km
|
1:22:01
|
2009
|
Universiade
|
Belgrade, Serbia
|
5th
|
20 km
|
1:22:00
|
World Championships
|
Berlin, Germany
|
34th
|
20 km
|
1:27:08
|
East Asian Games
|
Hong Kong
|
3rd
|
20 km
|
1:26:59
|
2010
|
Asian Games
|
Guangzhou, China
|
3rd
|
20 km
|
1:22:47
|
2011
|
World Championships
|
Daegu, South Korea
|
3rd
|
20 km
|
1:21:17
|
2012
|
Olympic Games
|
London, United Kingdom
|
17th
|
20 km
|
1:21:36
|
2013
|
World Championships
|
Moscow, Russia
|
10th
|
20 km
|
1:22:50
|
2014
|
Asian Games
|
Incheon, South Korea
|
3rd
|
20 km
|
1:21:37
|
2015
|
World Championships
|
Beijing, China
|
10th
|
20 km
|
1:21:40
|
2016
|
Olympic Games
|
Rio de Janeiro, Brazil
|
17th
|
20 km
|
1:21:44
|
2017
|
World Championships
|
London, United Kingdom
|
26th
|
20 km
|
1:22:08
|
2018
|
Asian Games
|
Jakarta, Indonesia
|
4th
|
20 km walk
|
1:27:17
|