| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1593 | Stephanie Smith |
USA
|
53.45 Q | |
| 2 | 1289 | Joanne Cuddihy |
IRL
|
54.16 Q SB | |
| 3 | 1434 | Ioana Ciurila |
ROU
|
54.33 Q PB | |
| 4 | 1086 | Mei Yu |
CHN
|
54.88 q PB | |
| 5 | 1110 | Edina Rahimovski |
CRO
|
55.64 PB | |
| 6 | 1324 | Chiaki Tsukamoto |
JPN
|
55.94 | |
| 7 | 1132 | Alissa Kallinikou |
CYP
|
56.03 PB | |
| 8 | 1313 | Kashain Page |
JAM
|
56.19 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1576 | Jerrika Chapple |
USA
|
53.63 Q | |
| 2 | 1340 | Olga Tereshkova Tsykunova |
KAZ
|
53.65 Q PB | |
| 3 | 1468 | Mariya Dryakhlova |
RUS
|
54.67 Q | |
| 4 | 1312 | Anneisha McLaughlin-Whilby |
JAM
|
55.15 q | |
| 5 | 1562 | Oksana Sheremet |
UKR
|
55.67 | |
| 6 | 1416 | Anna Spriggens |
NZL
|
56.16 | |
| 7 | 1394 | Gabriela Medina |
MEX
|
56.32 | |
| 1433 | Gabriela Ciuca |
ROU
|
DQ |