| Order / Lane | ATHLETE | COUNTRY | PB | SB 2011 |
|---|---|---|---|---|
| Josanne Lucas |
TTO
|
53.20 | 56.86 | |
| Muizat Ajoke Odumosu |
NGR
|
54.40 | 56.23 | |
| Perri Shakes-Drayton |
GBR
|
53.77 | 54.62 | |
| Lashinda Demus |
USA
|
52.47 | 52.47 | |
| Melaine Walker |
JAM
|
52.42 | 52.73 | |
| Zuzana HEJNOVÁ |
CZE
|
53.29 | 53.29 | |
| Kaliese Spencer |
JAM
|
52.79 | 52.79 | |
| Sheena Tosta |
USA
|
52.95 | 55.65 |