2008 Olympic Games Marathon , 28th

2008 Seoul International Marathon, Eighth

2007 Chicago Marathon, Seventh

2007 Seoul International Marathon Champion (2:08:04)

2006 Joon Ang Seoul International Marathon, Fifth (2:10:49)

2005 Real Berlin Marathon, 11th (2:12:19)

2005 Bewag Berliner Half Marathon, 14th (1:05:25)

2004 Olympic Games Marathon, 14th (2:15:33)

2004 Seoul International Marathon, Fifth (2:08:15)

2003 IAAF World Championship Marathon, Eleventh (2:10:38)

2002 Asian Games Marathon Champion

2002 Boston Marathon, Fifth (2:10:30)

2001 Milano Marathon. Fourth (2:09:11)

2001 Boston Marathon Champion (2:09:43)

2000 Fukuoka Marathon, Second (2:09:04)

2000 Olympic Men's Marathon, 24th (2:17.57)

2000 Tokyo International Marathon, Second (2:07:20) PR, NR

1999 London Marathon, 12th (2:12:11)

1998 Asian Games Marathon Champion

1998 Rotterdam Marathon, Second (2:07:44)

1997 Chun Chon Marathon, Fifth (2:10:33)

1996 Fukuoka Marathon Champion (2:10:48)

1996 Olympic Marathon, Silver Medalist (2:12:39)

1996 Dong-A International Marathon, Second (2:08:26)

1995 Chun Chon Marathon, Fourth (2:12:00)

1995 Dong-A International Marathon Champion (2:10:58)

1994 Boston Marathon,11th (2:09:51)

1993 Honolulu Marathon Champion (2:13:16)

1993 Korean Marathon Champion (2:10:27)

1992 Korean Marathon Champion (2:14.30)

1992 Tokyo City Half Marathon, Fourth P.R. N.R. (1:01:04)

1991 Korean Championships Marathon, Second (2:19.15)