| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 726 | Ana Guevara |
MEX
|
51.14 Q | 0.228 |
| 2 | 105 | Sviatlana Usovich |
BLR
|
51.39 Q PB | 0.209 |
| 3 | 777 | Olabisi Afolabi |
NGR
|
51.47 Q | 0.227 |
| 4 | 196 | Mireille Nguimgo |
CMR
|
51.65 q | 0.198 |
| 5 | 547 | Karen Shinkins |
IRL
|
52.06 q SB | 0.181 |
| 6 | 1067 | Sandrine Thiébaud-Kangni |
TOG
|
52.50 NR | 0.167 |
| 7 | 124 | Geisa Aparecida COUTINHO |
BRA
|
53.31 | 0.199 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 930 | Natalya Nazarova |
RUS
|
51.09 Q | 0.217 |
| 2 | 61 | Christine Amertil |
BAH
|
51.72 Q | 0.220 |
| 3 | 608 | Sandie Richards |
JAM
|
51.86 Q SB | 0.227 |
| 4 | 1109 | Antonina Yefremova |
UKR
|
51.91 q | 0.180 |
| 5 | 556 | Anna Tkach |
ISR
|
52.06 q NR | 0.189 |
| 6 | 1162 | Deedee Trotter |
USA
|
52.17 q | 0.261 |
| 7 | 159 | Irisca Kithouka |
CGO
|
1:00.04 | 0.186 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 69 | Tonique Williams-Darling |
BAH
|
51.24 Q | 0.165 |
| 2 | 945 | Olesya Zykina |
RUS
|
51.32 Q | 0.178 |
| 3 | 1168 | Demetria Washington |
USA
|
51.53 Q | 0.200 |
| 4 | 500 | Hazel Regis-Buckels |
GRN
|
51.97 q | 0.200 |
| 5 | 469 | HrÃsoula Goudenoúdi |
GRE
|
52.33 | 0.273 |
| 6 | 350 | Solene Désert-Mariller |
FRA
|
52.41 | 0.270 |
| 7 | 28 | Aida Torosyan |
ARM
|
58.02 SB | 0.167 |
| 8 | 696 | Wai Kuan Hoi |
MAC
|
1:00.75 | 0.220 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 593 | Lorraine Fenton |
JAM
|
50.90 Q | 0.205 |
| 2 | 934 | Svetlana Pospelova |
RUS
|
51.00 Q | 0.190 |
| 3 | 403 | Lee McConnell |
GBR
|
51.67 Q | 0.221 |
| 4 | 332 | Makelesi Batimala |
FIJ
|
52.01 q NR | 0.208 |
| 5 | 509 | Aliann Pompey |
GUY
|
52.21 | 0.248 |
| 6 | 981 | Fatou Bintou Fall |
SEN
|
52.35 | 0.190 |
| 7 | 1193 | Eliana Pacheco |
VEN
|
54.32 | 0.248 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 985 | Amy Mbacke Thiam |
SEN
|
50.86 Q | 0.161 |
| 2 | 1155 | Sanya Richards-Ross |
USA
|
51.00 Q | 0.194 |
| 3 | 838 | Grazyna Prokopek |
POL
|
51.36 Q SB | 0.235 |
| 4 | 609 | Ronetta Smith |
JAM
|
51.62 q | 0.145 |
| 5 | 895 | Heide Seyerling |
RSA
|
52.18 q | 0.173 |
| 6 | 436 | Claudia Marx |
GER
|
52.30 | 0.142 |
| 7 | 1202 | Lilian Bwalya |
ZAM
|
56.84 SB | 0.201 |
| 8 | 721 | Shifana Ali |
MDV
|
1:01.74 NR | 0.357 |