| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1532 | Zuzana HEJNOVÁ |
CZE
|
53.62 Q SB | 0.159 |
| 2 | 3272 | T'erea Brown |
USA
|
54.21 q PB | 0.193 |
| 3 | 1146 | Elodie Ouédraogo |
BEL
|
55.20 PB | 0.178 |
| 4 | 2214 | Nickiesha Wilson |
JAM
|
55.77 | 0.174 |
| 5 | 2473 | Hayat Lambarki |
MAR
|
56.18 | 0.208 |
| 6 | 2720 | Vera BARBOSA |
POR
|
56.27 | 0.160 |
| 7 | 1068 | Lauren BODEN |
AUS
|
56.66 | 0.156 |
| 2843 | Natalya Antyukh |
RUS
|
DQ | 0.149 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 3285 | Lashinda Demus |
USA
|
54.08 Q | 0.170 |
| 2 | 2206 | Kaliese Spencer |
JAM
|
54.20 Q | 0.211 |
| 3 | 1877 | Perri Shakes-Drayton |
GBR
|
55.19 | 0.190 |
| 4 | 3197 | Anna RYZHYKOVA |
UKR
|
55.51 | 0.209 |
| 5 | 1551 | Sara Slott PETERSEN |
DEN
|
56.21 | 0.174 |
| 6 | 2688 | Anna Jesien |
POL
|
56.28 | 0.231 |
| 7 | 1322 | Sarah-Lynn Wells |
CAN
|
56.71 | 0.152 |
| 2852 | Irina Davydova |
RUS
|
DQ | 0.227 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 2583 | Muizat Ajoke Odumosu |
NGR
|
54.40 Q NR | 0.234 |
| 2 | 3310 | Georganne Moline |
USA
|
54.74 Q | 0.205 |
| 3 | 1540 | Denisa Rosolová |
CZE
|
54.87 q | 0.191 |
| 4 | 2851 | Elena Churakova |
RUS
|
55.70 | 0.172 |
| 5 | 2208 | Melaine Walker |
JAM
|
55.74 | 0.262 |
| 6 | 1850 | Eilidh Doyle |
GBR
|
56.03 | 0.187 |
| 7 | 2256 | Satomi Kubokura |
JPN
|
56.25 | 0.199 |
| 3195 | Anna Titimets |
UKR
|
DQ | 0.234 |