| 1 | Olesya Zykina | RUS | 51,96 | Q | |
| 2 | Moushaumi Robinson | USA | 52,45 | Q | |
| 3 | Makelesi Batimala | FIJ | 54,02 | Q | |
| 4 | Nikolett Listár | HUN | 55,37 | ||
| 5 | Martina Xuereb | MLT | 57,62 | ||
| Moya Thompson | JAM | DNF |
| 1 | Natalya Nazarova | RUS | 52,40 | Q | |
| 2 | Antonina Yefremova | UKR | 52,64 | Q | |
| 3 | Shareese Woods | USA | 52,65 | Q | |
| 4 | Zuzana Hejnová | CZE | 53,04 | q | |
| 5 | Racheal Nachula | ZAM | 53,52 | q | NR |
| 6 | Vera Barbosa | CPV | 57,55 |
| 1 | Amantle Montsho | BOT | 52,96 | Q | |
| 2 | Angela Morosanu | ROM | 53,32 | Q | |
| 3 | Christy Ekpukhon Ihunaegbo | NGR | 53,34 | Q | |
| 4 | Nataliya Pyhyda | UKR | 53,44 | q | |
| 5 | Tsvetelina Kirilova | BUL | 53,66 | ||
| 6 | Sandrine Thiébaud-Kangni | TOG | 54,02 |