| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Allyson Felix |
USA
|
51.05 | |
| 2 | Kabange Mupopo |
ZAM
|
52.38 | |
| 3 | Libania Grenot |
ITA
|
52.47 | |
| 4 | Patience Okon George |
NGR
|
52.62 | |
| 5 | Olha Zemlyak |
UKR
|
52.70 | |
| 6 | Marie Gayot |
FRA
|
52.87 | |
| 7 | Justine Palframan |
RSA
|
53.02 | |
| 8 | Amaka Ogoegbunam |
NGR
|
54.36 |