| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Ana Guevara |
MEX
|
50.93 Q | 0.273 |
| 2 | Lee McConnell |
GBR
|
51.19 Q | 0.249 |
| 3 | Grazyna Prokopek |
POL
|
51.29 Q PB | 0.219 |
| 4 | Fatou Bintou Fall |
SEN
|
51.87 q | 0.416 |
| 5 | Hortense Bewouda |
CMR
|
52.11 | 0.179 |
| 6 | Oksana Luneva |
KGZ
|
52.94 | 0.218 |
| 7 | Ruwida El Hubti |
LBA
|
1:03.57 NR |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Monique Hennagan |
USA
|
51.02 Q | 0.208 |
| 2 | Mariyana Dimitrova |
BUL
|
51.29 Q | 0.192 |
| 3 | Kaltouma Nadjina |
CHA
|
51.50 Q | 0.249 |
| 4 | Nadia Davy |
JAM
|
52.04 | |
| 5 | Maria Laura Almirão |
BRA
|
52.10 | |
| 6 | Kirsi Mykkänen |
FIN
|
52.53 | 0.246 |
| 7 | Fanfang Bu |
CHN
|
56.01 | 0.266 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Natalya Nazarova |
RUS
|
50.82 Q | 0.217 |
| 2 | Donna Fraser |
GBR
|
51.19 Q | 0.212 |
| 3 | Hazel Regis-Buckels |
GRN
|
51.66 Q | 0.280 |
| 4 | Estie Wittstock |
RSA
|
51.89 q | 0.155 |
| 5 | Amy Mbacke Thiam |
SEN
|
52.44 | 0.346 |
| 6 | Amantle MONTSHO |
BOT
|
53.77 NR | 0.461 |
| 7 | Zamira Amirova |
UZB
|
54.43 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Natalya Antyukh |
RUS
|
50.54 Q | 0.292 |
| 2 | Deedee Trotter |
USA
|
50.56 Q | 0.295 |
| 3 | Novlene Williams-Mills |
JAM
|
50.59 Q PB | 0.330 |
| 4 | Aliann Pompey |
GUY
|
51.33 q | 0.221 |
| 5 | Egle Uljas |
EST
|
51.91 q NR | 0.278 |
| 6 | Svetlana Bodritskaya |
KAZ
|
53.35 | 0.207 |
| 7 | Shifana Ali |
MDV
|
1:00.92 NR | 0.200 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Tonique Williams-Darling |
BAH
|
51.20 Q | 0.346 |
| 2 | Sviatlana Usovich |
BLR
|
51.37 Q | |
| 3 | Antonina Yefremova |
UKR
|
51.53 Q | |
| 4 | Mireille Nguimgo |
CMR
|
51.90 q | 0.238 |
| 5 | Allison Beckford |
JAM
|
52.85 | 0.235 |
| 6 | Sandrine Thiébaud-Kangni |
TOG
|
52.87 | 0.341 |
| 7 | K.V.Damayanthi Dharsha |
SRI
|
54.58 | 0.267 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Sanya Richards-Ross |
USA
|
50.11 Q | 0.203 |
| 2 | Christine Amertil |
BAH
|
50.23 Q PB | 0.366 |
| 3 | Christine Ohuruogu |
GBR
|
50.50 Q PB | 0.298 |
| 4 | Tiandra Ponteen |
SKN
|
51.17 q | 0.307 |
| 5 | Geisa Aparecida COUTINHO |
BRA
|
52.18 | 0.270 |
| 6 | Makelesi Batimala |
FIJ
|
53.58 | 0.280 |
| 7 | Salamtou Hassane |
NIG
|
1:03.28 NR |