Year Competition Venue Position Event Notes
2001 World Youth Championships Debrecen, Hungary 4th 400 m
2002 Asian Games Busan, South Korea 2nd 4x400 m relay
2005 Asian Championships Incheon, South Korea 2nd 4x400 m relay
Universiade Izmir, Turkey 6th 4x400 m relay
2006 Asian Games Doha, Qatar 2nd 4x400 m relay
1st 400 m
World Cup Athens, Greece 7th 400 m
2007 Universiade Bangkok, Thailand 1st 400 m
2011 Universiade Shenzhen, China 400 m DQ