All-time women's best 400m

disqualified for stepping inside line

        1       49.95        Marie-José Pérec        FRA       09.05.68    1       Monaco           02.08.1994
        2       50.30        Marie-José Pérec        FRA       09.05.68    1       Barcelona        10.09.1989

performances annulled due to doping offense

        1      50.02      Michelle Collins               USA     12.02.71           Raleigh                  19.06.2004
        2      50.43      Michelle Collins               USA     12.02.71           Belém                    05.05.2002
        3      50.46      Marion Jones                   USA     12.10.75    rA     Walnut                   21.04.2002