| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 750 | Regina George |
NGR
|
51.60 Q SB | 0.222 |
| 2 | 776 | Justyna ŚWIĘTY-ERSETIC |
POL
|
52.13 Q PB | 0.222 |
| 3 | 715 | Patricia Hall |
JAM
|
52.19 q | 0.170 |
| 4 | 661 | Margaret Adeoye |
GBR
|
52.69 q SB | 0.222 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 719 | Kaliese Spencer |
JAM
|
52.26 Q | 0.263 |
| 2 | 742 | Lisanne DE WITTE |
NED
|
52.61 Q PB | 0.265 |
| 3 | 847 | Joanna Atkins |
USA
|
52.61 q | 0.182 |
| 4 | 663 | Shana Cox |
GBR
|
53.10 | 0.224 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 608 | Shaunae MILLER-UIBO |
BAH
|
52.10 Q SB | 0.190 |
| 2 | 766 | Małgorzata HOŁUB-KOWALIK |
POL
|
53.07 | 0.255 |
| 3 | 748 | Nicky van Leuveren |
NED
|
53.34 | 0.156 |
| 4 | 693 | Melissa Caddle |
GUY
|
54.56 | 0.351 |
| 807 | Kseniya Ryzhova |
RUS
|
DQ | 0.278 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 642 | Denisa Rosolová |
CZE
|
52.37 Q SB | 0.264 |
| 2 | 865 | Francena McCorory |
USA
|
52.37 Q | 0.335 |
| 3 | 678 | Esther Cremer |
GER
|
52.71 q | 0.168 |
| 4 | 881 | Kineke Alexander |
VIN
|
52.80 SB | 0.191 |
| 5 | 604 | Samantha Edwards |
ANT
|
54.74 | 0.245 |