| Order / Lane | ATHLETE | COUNTRY | PB | SB 2012 |
|---|---|---|---|---|
| Patricia Hall |
JAM
|
50.71 | 50.71 | |
| Novlene Williams-Mills |
JAM
|
49.63 | 49.78 | |
| Rosemarie Whyte |
JAM
|
49.84 | 50.08 | |
| Christine Ohuruogu |
GBR
|
49.61 | 49.70 | |
| Deedee Trotter |
USA
|
49.64 | 49.72 | |
| Shana Cox |
GBR
|
50.84 | 51.54 | |
| Francena McCorory |
USA
|
50.06 | 50.06 | |
| Jessica BEARD |
USA
|
50.56 | 51.19 |