| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Natalya Nazarova |
RUS
|
52.98 Q | 0.022 |
| 2 | Justine Bayigga |
UGA
|
53.23 Q | 0.029 |
| 3 | Rosemary Hayward |
AUS
|
53.90 Q | 0.017 |
| 4 | Estie Wittstock |
RSA
|
54.18 q | 0.015 |
| 5 | Carey Marshall |
GBR
|
54.28 q PB | 0.014 |
| 6 | Aleksandra Pieluzek |
POL
|
54.69 | 0.032 |
| 7 | Lotte Visschers |
NED
|
55.72 | 0.013 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Nakiya Johnson |
USA
|
53.07 Q | 0.016 |
| 2 | Alina Râpanu |
ROU
|
53.36 Q | 0.024 |
| 3 | Zulia Calatayud |
CUB
|
54.00 Q | 0.028 |
| 4 | Svetlana Pospelova |
RUS
|
54.80 | 0.016 |
| 5 | Jenny Marshall |
AUS
|
54.88 | 0.018 |
| 6 | Sashanie Simpson |
JAM
|
54.96 | 0.024 |
| 7 | Lucy-Ann Richards |
BAR
|
55.29 | 0.051 |
| Avikali Kainoko |
FIJ
|
DNS |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Kristina Perica |
CRO
|
53.89 Q | 0.035 |
| 2 | Naleya Downer |
JAM
|
53.94 Q | 0.039 |
| 3 | Alexia Oberstolz |
ITA
|
54.48 Q | 0.031 |
| 4 | Katerina Glosova |
CZE
|
54.53 q | 0.026 |
| 5 | Hazel Regis-Buckels |
GRN
|
55.55 | 0.031 |
| 6 | Oksana Luneva |
KGZ
|
57.54 | 0.032 |
| Yulian Li |
CHN
|
DNS |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Yudalis DÃaz |
CUB
|
52.74 Q | 0.015 |
| 2 | Mikele Barber |
USA
|
53.86 Q | 0.030 |
| 3 | Martina Morawská |
CZE
|
54.13 Q | 0.015 |
| 4 | Kristin Gotz |
GER
|
54.27 | 0.028 |
| 5 | Minling Lu |
CHN
|
55.35 | 0.030 |
| 6 | Yolandé Neethling |
RSA
|
56.28 | 0.015 |
| 7 | Diala El Chab |
LBN
|
58.92 | 0.017 |
| 8 | Mariama Diaby |
GUI
|
59.06 | 0.021 |