LA-WM 2009Sa, 15.08. - So, 23.08.
Di, 18.08.2009, 19:35 Uhr
| Pos | Name | Zeit | |
|---|---|---|---|
| 1 |  | Sanya Richards-Ross | 49.00s |
| 2 |  | Shericka Williams | 49.32s |
| 3 |  | Antonia Krivoshapka | 49.71s |
| 4 | | Novlene Williams-Mills | 49.77s |
| 5 |  | Christine Ohuruogu | 50.21s |
| 6 | | Debbie Dunn | 50.35s |
| 7 |  | Amantle Montsho | 50.65s |
| 8 | | Anastasia Kapachinskaya | DSQ |