| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1655 | Lynna IRBY-JACKSON |
USA
|
51.90 Q SB | 0.199 |
| 2 | 1141 | Roxana GÓMEZ |
CUB
|
52.26 Q PB | 0.186 |
| 3 | 1622 | Dzhois Koba |
UKR
|
52.79 q PB | 0.207 |
| 4 | 1264 | Hannah WILLIAMS |
GBR
|
52.80 PB | 0.173 |
| 5 | 1080 | Ashlan Best |
CAN
|
53.27 PB | 0.166 |
| 6 | 1346 | Rebecca BORGA |
ITA
|
53.93 | 0.161 |
| 7 | 1278 | Hannah MERGENTHALER |
GER
|
54.13 | 0.164 |
| 8 | 1431 | Vijona Kryeziu |
KOS
|
55.95 | 0.207 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1006 | Jessica Thornton |
AUS
|
52.12 Q PB | 0.172 |
| 2 | 1376 | Junelle BROMFIELD |
JAM
|
52.18 Q | 0.282 |
| 3 | 1424 | Maureen Nyatichi THOMAS |
KEN
|
52.52 q | 0.151 |
| 4 | 1680 | Karrington Winters |
USA
|
53.04 PB | 0.168 |
| 5 | 1153 | Zdeňka SEIDLOVÁ |
CZE
|
53.95 PB | 0.178 |
| 6 | 1506 | Natalia KACZMAREK |
POL
|
54.32 | 0.187 |
| 7 | 1253 | Lily Beckford |
GBR
|
54.88 | 0.206 |
| 1040 | Shaquania Dorsett |
BAH
|
DNS |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1381 | Tiffany JAMES |
JAM
|
51.77 Q PB | 0.157 |
| 2 | 1085 | Natassha MCDONALD |
CAN
|
53.06 Q PB | 0.180 |
| 3 | 1445 | Paola MORÁN |
MEX
|
53.08 | 0.243 |
| 4 | 1543 | Jeanelle Griesel |
RSA
|
53.68 SB | 0.205 |
| 5 | 1276 | Hendrikje Richter |
GER
|
53.85 | 0.177 |
| 6 | 1613 | Ivanna Avramchuk |
UKR
|
54.64 | 0.186 |
| 7 | 1436 | Erika Kruminaité |
LTU
|
54.87 SB | 0.169 |
| 8 | 1327 | Jenna Bromell |
IRL
|
55.20 | 0.158 |