| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 2 | 124 | Geisa Aparecida COUTINHO |  BRA | 51.44 | 51.44 | 
| 3 | 726 | Ana Guevara |  MEX | 49.11 | 49.11 | 
| 4 | 105 | Sviatlana Usovich |  BLR | 51.48 | 51.48 | 
| 5 | 547 | Karen Shinkins |  IRL | 51.07 | 52.48 | 
| 6 | 196 | Mireille Nguimgo |  CMR | 50.69 | 50.79 | 
| 7 | 1067 | Sandrine Thiébaud-Kangni |  TOG | 52.55 | 52.55 | 
| 8 | 777 | Olabisi Afolabi |  NGR | 50.30 | 50.91 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 2 | 1162 | Deedee Trotter |  USA | 50.66 | 50.66 | 
| 3 | 608 | Sandie Richards |  JAM | 49.79 | 52.20i | 
| 4 | 556 | Anna Tkach |  ISR | 50.67 | 51.66 | 
| 5 | 159 | Irisca Kithouka |  CGO | 55.86 | 55.86 | 
| 6 | 930 | Natalya Nazarova |  RUS | 49.78 | 49.78 | 
| 7 | 1109 | Antonina Yefremova |  UKR | 50.70 | 51.36 | 
| 8 | 61 | Christine Amertil |  BAH | 50.82 | 51.11i | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 1 | 1168 | Demetria Washington |  USA | 51.05 | 51.25 | 
| 2 | 28 | Aida Torosyan |  ARM | 57.82 | |
| 3 | 696 | Wai Kuan Hoi |  MAC | 59.93 | 59.93 | 
| 4 | 500 | Hazel Regis-Buckels |  GRN | 51.32 | 51.32 | 
| 5 | 350 | Solene Désert-Mariller |  FRA | 52.05 | 52.05 | 
| 6 | 469 | HrÃsoula Goudenoúdi |  GRE | 51.81 | 52.11 | 
| 7 | 69 | Tonique Williams-Darling |  BAH | 50.24 | 50.24 | 
| 8 | 945 | Olesya Zykina |  RUS | 50.15 | 50.39 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 2 | 509 | Aliann Pompey |  GUY | 51.34 | 51.48 | 
| 3 | 332 | Makelesi Batimala |  FIJ | 52.66 | 52.66 | 
| 4 | 981 | Fatou Bintou Fall |  SEN | 51.12 | 51.12 | 
| 5 | 593 | Lorraine Fenton |  JAM | 49.30 | 49.71 | 
| 6 | 934 | Svetlana Pospelova |  RUS | 50.47 | 50.70 | 
| 7 | 403 | Lee McConnell |  GBR | 50.82 | 51.37 | 
| 8 | 1193 | Eliana Pacheco |  VEN | 52.43 | 52.43 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2003 | 
|---|---|---|---|---|---|
| 1 | 895 | Heide Seyerling |  RSA | 50.05 | 51.30 | 
| 2 | 436 | Claudia Marx |  GER | 51.41 | 51.68 | 
| 3 | 1202 | Lilian Bwalya |  ZAM | 54.77 | 57.40 | 
| 4 | 985 | Amy Mbacke Thiam |  SEN | 49.86 | 50.14 | 
| 5 | 609 | Ronetta Smith |  JAM | 51.35 | 51.35 | 
| 6 | 838 | Grazyna Prokopek |  POL | 51.34 | 52.21 | 
| 7 | 1155 | Sanya Richards-Ross |  USA | 50.58 | 50.58 | 
| 8 | 721 | Shifana Ali |  MDV | 1:04.10 |