| Order / Lane | ATHLETE | COUNTRY | PB | SB 2012 |
|---|---|---|---|---|
| Deedee Trotter |
USA
|
49.64 | 49.72 | |
| Christine Ohuruogu |
GBR
|
49.61 | 49.70 | |
| Shericka Williams |
JAM
|
49.32 | 50.34 | |
| Nicola Sanders |
GBR
|
49.65 | 52.33 | |
| Natasha Hastings |
USA
|
49.84 | 50.72 | |
| Rosemarie Whyte |
JAM
|
49.84 | 50.08 | |
| Shana Cox |
GBR
|
50.84 | 51.54 | |
| Francena McCorory |
USA
|
50.06 | 50.06 |