| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 537 | Nezha Bidouane | 
                                         
                                        MAR
                                     | 
                                    54.55 Q | 0.184 | 
| 2 | 456 | Debbie-Ann Parris-Thymes | 
                                         
                                        JAM
                                     | 
                                    54.81 Q | 0.177 | 
| 3 | 612 | Malgorzata Pskit | 
                                         
                                        POL
                                     | 
                                    55.45 Q | 0.194 | 
| 4 | 630 | Yvonne Harrison | 
                                         
                                        PUR
                                     | 
                                    55.63 q NR | 0.191 | 
| 5 | 493 | Natalya Torshina-Alimzhanova | 
                                         
                                        KAZ
                                     | 
                                    55.69 q | 0.208 | 
| 6 | 115 | Karlene Haughton | 
                                         
                                        CAN
                                     | 
                                    55.94 q SB | 0.212 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 693 | Yuliya Pechonkina | 
                                         
                                        RUS
                                     | 
                                    54.43 Q | 0.147 | 
| 2 | 809 | Tonja Buford-Bailey | 
                                         
                                        USA
                                     | 
                                    54.99 Q | 0.192 | 
| 3 | 656 | Ionela Târlea | 
                                         
                                        ROU
                                     | 
                                    55.41 Q | 0.202 | 
| 4 | 607 | Anna Jesien | 
                                         
                                        POL
                                     | 
                                    55.98 q | 0.247 | 
| 5 | 722 | Mame Tacko Diouf | 
                                         
                                        SEN
                                     | 
                                    56.44 SB | 0.171 | 
| 6 | 275 | Sylvanie Morandais | 
                                         
                                        FRA
                                     | 
                                    56.85 | 0.162 | 
| 7 | 306 | Keri Maddox | 
                                         
                                        GBR
                                     | 
                                    57.55 | 0.208 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 823 | Sandra Glover | 
                                         
                                        USA
                                     | 
                                    55.38 Q | 0.184 | 
| 2 | 177 | Daimà PernÃa | 
                                         
                                        CUB
                                     | 
                                    55.40 Q | 0.216 | 
| 3 | 433 | Monika Niederstatter | 
                                         
                                        ITA
                                     | 
                                    55.83 Q SB | 0.236 | 
| 4 | 290 | Tasha Danvers | 
                                         
                                        GBR
                                     | 
                                    56.36 | 0.181 | 
| 5 | 659 | Surita Febbraio | 
                                         
                                        RSA
                                     | 
                                    56.80 | 0.152 | 
| 6 | 459 | Melaine Walker | 
                                         
                                        JAM
                                     | 
                                    57.10 | 0.187 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 446 | Deon Hemmings | 
                                         
                                        JAM
                                     | 
                                    55.39 Q | 0.234 | 
| 2 | 291 | Sinead Dudgeon | 
                                         
                                        GBR
                                     | 
                                    56.07 Q SB | 0.208 | 
| 3 | 851 | Brenda Taylor | 
                                         
                                        USA
                                     | 
                                    56.28 Q | 0.181 | 
| 4 | 345 | Heike Meissner | 
                                         
                                        GER
                                     | 
                                    56.79 | 0.221 | 
| 5 | 47 | Andrea Blackett | 
                                         
                                        BAR
                                     | 
                                    57.10 | 0.185 | 
| 6 | 541 | Noraseela Mohd Khalid | 
                                         
                                        MAS
                                     | 
                                    59.12 | 0.165 | 
| 800 | Tetiana Tereschuk-Antipova | 
                                         
                                        UKR
                                     | 
                                    DNS | 0.000 |