| Order / Lane | ATHLETE | COUNTRY | PB | SB 2011 |
|---|---|---|---|---|
| Rosemarie Whyte |
JAM
|
49.84 | 49.84 | |
| Christine Day |
JAM
|
50.85 | 52.08 | |
| Fantu Magiso |
ETH
|
52.09 | 52.09 | |
| Shana Cox |
GBR
|
50.84 | 51.24 | |
| Francena McCorory |
USA
|
50.06 | 50.24 | |
| Kaliese Spencer |
JAM
|
50.55 | 50.71 | |
| Deedee Trotter |
USA
|
49.64 | 51.17 | |
| Monica Hargrove |
USA
|
50.39 | 51.76 |