"51.75" . . . "52.12" . "400 m" . "53.60" . "49.69" . "55.75" . "51.96 (51.41)" . "52.09" . . "1992" . . . "1992 Women's Olympic 400 metres (Barcelona)" . "400 metres" . . . . . . . . "1992 Olympic Games" . . "49.64" . . "54.24" . "1992 Summer" . "women's 400 metres" . "1992 Summer Olympics" . . . "Athletics at the 1992 Summer Olympics \u2013 Women's 400 metres" . "52.39" . "Athletics at the 1992 Summer Olympics \u2013 Women's 400 metres" . "52.43" . . . "women's 400 m." . "X" . . "Women's 400 metres" .