| Place | No. | Lane | Name | Country | Birth Year |
Official Time |
Reaction Time |
| 1 | 89 | 5 | Aliann Pompey | Guyana | 78 | 51.52 | 0,306 |
| 2 | 93 | 2 | Florence Ekpo-Umoh | Germany | 77 | 52.33 | 0,232 |
| 3 | 91 | 7 | Makelesi Batimala | Fiji | 77 | 52.46 | 0,242 |
| 4 | 92 | 4 | Kaltouma Nadjina | Chad | 76 | 52.47 | 0,278 |
| 5 | 90 | 6 | Clora Williams | Jamaica | 83 | 52.97 | 0,304 |
| 6 | 95 | 3 | Moushaumi Robinson | USA | 81 | 53.70 | 0,338 |
| 7 | 96 | 8 | Shereese Woods | USA | 85 | 54.63 | 0,415 |
| 8 | 94 | 1 | Marian Andrews | Ireland | 55.00 | 0,183 |
