Event Date: 24/07/2009 Start Time: 18:07 Event No: 6
| Name | PB | SB | Status |
|---|---|---|---|
| Christine Amertil (BAH) | 50.09 | 51.43 | Confirmed |
| Shana Cox (USA) | 50.84 | 51.44 | Confirmed |
| Monica Hargrove (USA) | 50.39 | 50.39 | Confirmed |
| Tamsyn Lewis (AUS) | 51.42 | 51.42 | Confirmed |
| Lee McConnell (GBR) | 50.82 | 51.52 | Confirmed |
| Aliann Pompey (GUY) | 50.71 | 50.71 | Confirmed |
| Nicola Sanders (GBR) | 49.65 | 50.45 | Confirmed |
| Deedee Trotter (USA) | 49.64 | 52.00 | Confirmed |
