| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2004 | 
|---|---|---|---|---|---|
| 1 | 551 | Amanda Kotze |  RSA | 53.79 | 53.79 | 
| 2 | 773 | Kineke Alexander |  VIN | 53.63 | 53.63 | 
| 3 | 384 | Sonita Sutherland |  JAM | 52.29 | 52.29 | 
| 4 | 663 | Abigail David |  TTO | 53.48 | 53.48 | 
| 5 | 594 | Olga Soldatova |  RUS | 53.11 | 53.11 | 
| 6 | 479 | Annemarie Schulte |  NED | 53.67 | 53.67 | 
| 7 | 111 | Xiaoyin Tang |  CHN | 52.57 | 52.63 | 
| 8 | 626 | Muna Jabir Adam |  SUD | 54.11 | 54.25 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2004 | 
|---|---|---|---|---|---|
| 1 | 22 | Jaimee-Lee Starr |  AUS | 53.48 | 53.48 | 
| 2 | 274 | Anja Pollmächer |  GER | 53.62 | 53.62 | 
| 3 | 723 | Natasha Hastings |  USA | 52.09 | 52.61 | 
| 4 | 694 | Liliya Lobanova |  UKR | 52.81 | 52.81 | 
| 5 | 398 | Asami Chiba |  JPN | 52.88 | 52.88 | 
| 6 | 727 | Ashlee Kidd |  USA | 51.76 | 51.76 | 
| 7 | 673 | Özge Akin-Gürler |  TUR | 54.12 | 54.41 | 
| 8 | 497 | Monique Williams |  NZL | 54.27 | 54.27 |