1 | Amantle Montsho | BOT | 49,56 | NR | |
2 | Allyson Felix | USA | 49,59 | ||
3 | Anastasiya Kapachinskaya | RUS | 50,24 | ||
4 | Francena McCorory | USA | 50,45 | ||
5 | Antonina Krivoshapka | RUS | 50,66 | ||
6 | Shericka Williams | JAM | 50,79 | ||
7 | Sanya Richards-Ross | USA | 51,32 | ||
8 | Novlene Williams-Mills | JAM | 52,89 |