| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2001 | 
|---|---|---|---|---|---|
| 1 | 701 | Ionela Târlea |  ROU | 49.88o | 52.64 | 
| 2 | 537 | Foy Williams |  CAN | 51.62o | 53.39 | 
| 3 | 731 | Olesya Zykina |  RUS | 50.36o | 51.33 | 
| 4 | 777 | Monique Hennagan |  USA | 50.82o | 52.18 | 
| 5 | 593 | Catherine Murphy |  GBR | 51.99 | 51.99 | 
| 6 | 643 | Sandie Richards |  JAM | 49.79o | 50.93o | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2001 | 
|---|---|---|---|---|---|
| 1 | 521 | Natallia Solohub |  BLR | 51.70o | 52.93 | 
| 2 | 619 | Aliann Pompey |  GUY | 52.21 | 53.32 | 
| 3 | 539 | Kaltouma Nadjina |  CHA | 51.90o | 52.53 | 
| 4 | 786 | Suziann Reid |  USA | 50.74o | 52.01 | 
| 5 | 713 | Olga Kotlyarova |  RUS | 49.95o | 50.42 | 
| 6 | 610 | Shanta Ghosh |  GER | 51.48 | 51.48 |