| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 793 | Natalya Antyukh |
RUS
|
50.88 Q | 0.180 |
| 2 | 1006 | Mary Wineberg |
USA
|
51.25 Q | 0.186 |
| 3 | 589 | Shereefa Lloyd |
JAM
|
51.42 Q | 0.154 |
| 4 | 473 | Lee McConnell |
GBR
|
51.44 Q SB | 0.240 |
| 5 | 929 | Oksana Shcherbak |
UKR
|
52.39 | 0.149 |
| 6 | 910 | Justine Bayigga |
UGA
|
53.25 | 0.164 |
| 7 | 704 | Joy Eze |
NGR
|
53.83 | 0.251 |
| 8 | 634 | Olga Tereshkova Tsykunova |
KAZ
|
54.09 | 0.177 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1003 | Deedee Trotter |
USA
|
51.27 Q | 0.169 |
| 2 | 474 | Nicola Sanders |
GBR
|
51.45 Q | 0.179 |
| 3 | 556 | Joanne Cuddihy |
IRL
|
51.55 Q SB | 0.191 |
| 4 | 229 | Christine Amertil |
BAH
|
51.55 Q | 0.160 |
| 5 | 742 | Zuzanna Radecka |
POL
|
52.19 | 0.164 |
| 6 | 700 | Folasade Abugan |
NGR
|
52.58 | 0.208 |
| 7 | 269 | Maria Laura Almirão |
BRA
|
53.68 | 0.276 |
| 8 | 532 | Hazel Regis-Buckels |
GRN
|
54.78 SB | 0.179 |
| 9 | 347 | Vera BARBOSA |
CPV
|
58.56 | 0.161 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 839 | Tatyana Veshkurova |
RUS
|
51.67 Q | 0.262 |
| 2 | 592 | Shericka Williams |
JAM
|
51.72 Q | 0.184 |
| 3 | 542 | Barbara Petráhn |
HUN
|
51.86 Q SB | 0.194 |
| 4 | 267 | Amantle MONTSHO |
BOT
|
51.87 Q | 0.180 |
| 5 | 1016 | Kineke Alexander |
VIN
|
52.51 | 0.220 |
| 6 | 536 | Ginou Etienne |
HAI
|
53.89 | 0.296 |
| 7 | 851 | Amy Mbacke Thiam |
SEN
|
54.31 | 0.180 |
| 8 | 868 | Nawal El Jack |
SUD
|
55.29 | 0.227 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 590 | Novlene Williams-Mills |
JAM
|
50.21 Q | 0.188 |
| 2 | 677 | Ana Guevara |
MEX
|
50.85 Q | 0.164 |
| 3 | 779 | Ionela Târlea |
ROU
|
51.59 Q SB | 0.178 |
| 4 | 360 | Aymeé MartÃnez |
CUB
|
51.74 Q PB | 0.176 |
| 5 | 535 | Aliann Pompey |
GUY
|
51.95 q | 0.203 |
| 6 | 703 | Christy Ekpukhon Ihunaegbo |
NGR
|
52.05 q | 0.192 |
| 7 | 418 | Makelesi Batimala |
FIJ
|
52.23 SB | 0.174 |
| 8 | 435 | Solene Désert-Mariller |
FRA
|
54.03 | 0.206 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 477 | Christine Ohuruogu |
GBR
|
50.46 Q SB | 0.204 |
| 2 | 259 | Ilona Usovich |
BLR
|
50.53 Q NR | 0.200 |
| 3 | 968 | Natasha Hastings |
USA
|
51.07 Q | 0.183 |
| 4 | 362 | Indira Terrero |
CUB
|
51.76 Q | 0.271 |
| 5 | 570 | Daniela Reina |
ITA
|
52.02 q SB | 0.180 |
| 6 | 609 | Asami Chiba |
JPN
|
52.13 q SB | 0.162 |
| 7 | 678 | Gabriela Medina |
MEX
|
53.16 | 0.205 |
| 8 | 900 | Sandrine Thiébaud-Kangni |
TOG
|
54.11 | 0.170 |
| 9 | 894 | Temalangeni Dlamini |
SWZ
|
58.27 PB | 0.214 |