400m D

1986 Koch (gdr) 49.17 1988 Addy (gha) 54.26 1990 Davis (bah) 51.10 1992 Nazarova (csi) 50.11 1994 Davis (bah) 50.59 1996 Davis (bah) 50.33 1998 Opara (ngr) 49.29 2002 Guevara (mex) 49.51 2003 Pittman (aus) 53.62 2004 Williams (usa) 49.25 2005 Richards (usa) 49.82