| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 |
|---|---|---|---|---|
| 2 | Gabriela Medina |
MEX
|
51.25 | 51.37 |
| 3 | Indira Terrero |
CUB
|
50.98 | 50.98 |
| 4 | Christine Ohuruogu |
GBR
|
49.61 | 50.80 |
| 5 | Shericka Williams |
JAM
|
50.24 | 50.33 |
| 6 | Aliann Pompey |
GUY
|
50.93 | 50.99 |
| 7 | Tatyana Firova |
RUS
|
50.08 | 50.25 |
| 8 | Mary Wineberg |
USA
|
50.24 | 50.32 |
| 9 | Muizat Ajoke Odumosu |
NGR
|
51.39 | 51.39 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 |
|---|---|---|---|---|
| 2 | Joy Eze |
NGR
|
51.20 | 51.41 |
| 3 | Lee McConnell |
GBR
|
50.82 | 51.49 |
| 4 | Anastasiya Kapachinskaya |
RUS
|
50.02 | 50.02 |
| 5 | Novlene Williams-Mills |
JAM
|
49.63 | 50.11 |
| 6 | Christine Amertil |
BAH
|
50.09 | 51.25 |
| 7 | Sanya Richards-Ross |
USA
|
48.70 | 49.86 |
| 8 | Racheal Nachula |
ZAM
|
51.39 | 51.39 |
| 9 | Carline Muir |
CAN
|
51.55 | 51.55 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 |
|---|---|---|---|---|
| 2 | Deedee Trotter |
USA
|
49.64 | 50.88 |
| 3 | Nawal El Jack |
SUD
|
51.19 | 51.93 |
| 4 | Amantle MONTSHO |
BOT
|
49.83 | 49.83 |
| 5 | Libania Grenot |
ITA
|
50.87 | 50.87 |
| 6 | Rosemarie Whyte |
JAM
|
50.05 | 50.05 |
| 7 | Yuliya Gushchina |
RUS
|
50.12 | 50.12 |
| 8 | Folasade Abugan |
NGR
|
50.89 | 50.89 |
| 9 | Nicola Sanders |
GBR
|
49.65 | 50.88 |