Start Time: 02:15pm
WR 47.60 Marita Koch (GDR)
ER 47.60 Marita Koch (GDR)
IR 50.73 Joanne Cuddihy (IRL)
MR 50.81 Olga Bryzgina (RUS)
| Place | No. | Lane | Name | Country | YOB | Official Time | Reaction Time |
| 1 | 5 | 5 | Aliann Pompey | Guyana | 78 | 52.31 | 0,274 |
| 2 | 7 | 4 | Latosha Wallace | USA | 85 | 53.02 | 0,318 |
| 3 | 148 | 8 | Clora Williams | Jamaica | 83 | 53.06 | 0,313 |
| 4 | 150 | 8 | Henrietta Kodilinye-Sims | England | 87 | 54.45 | |
| 5 | 6 | 7 | Barbara Petráhn | Hungary | 78 | 55.19 | 0,360 |
| 6 | 156 | 1 | Laura Crowe | Ireland | 87 | 56.66 | 0,170 |
| DNF | 2 | 3 | Marian Andrews | Ireland | 82 | DNF | 0,213 |
| DNF | 149 | 2 | Estie Wittstock | RSA | 80 | DNS | DNS |
