| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1008 | Rushell CLAYTON |  JAM | 53.30 Q PB | 0.190 | 
| 2 | 1383 | Anna COCKRELL |  USA | 53.63 Q PB | 0.199 | 
| 3 | 790 | Viivi LEHIKOINEN |  FIN | 54.48 | 0.200 | 
| 4 | 850 | Jessie KNIGHT |  GBR | 54.51 | 0.187 | 
| 5 | 1196 | Gianna WOODRUFF |  PAN | 54.71 | 0.208 | 
| 6 | 1119 | Noura ENNADI |  MAR | 55.15 | 0.184 | 
| 7 | 1369 | Viktoriya TKACHUK |  UKR | 55.43 | 0.209 | 
| 8 | 1000 | Rebecca SARTORI |  ITA | 55.98 | 0.213 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.37 |  Anna COCKRELL |  USA | 
| 200 m | 24.52 |  Rushell CLAYTON |  JAM | 
| 300 m | 38.17 |  Rushell CLAYTON |  JAM | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1136 | Femke BOL |  NED | 52.95 Q | 0.199 | 
| 2 | 1018 | Andrenette KNIGHT |  JAM | 53.72 Q | 0.163 | 
| 3 | 1431 | Dalilah MUHAMMAD |  USA | 54.19 | 0.169 | 
| 4 | 1366 | Anna RYZHYKOVA |  UKR | 54.42 SB | 0.186 | 
| 5 | 887 | Carolina KRAFZIK |  GER | 54.58 | 0.192 | 
| 6 | 690 | Nikoleta JÍCHOVÁ |  CZE | 55.01 | 0.229 | 
| 7 | 1182 | Line KLOSTER |  NOR | 55.43 | 0.152 | 
| 8 | 1266 | Zenéy GELDENHUYS |  RSA | 55.49 | 0.212 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.53 |  Andrenette KNIGHT |  JAM | 
| 200 m | 24.53 |  Femke BOL |  NED | 
| 300 m | 38.07 |  Femke BOL |  NED | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1420 | Shamier LITTLE |  USA | 52.81 Q SB | 0.212 | 
| 2 | 599 | Kemi ADEKOYA |  BRN | 53.39 Q AR | 0.195 | 
| 3 | 1026 | Janieve RUSSELL |  JAM | 53.69 q | 0.180 | 
| 4 | 987 | Ayomide FOLORUNSO |  ITA | 53.89 q NR | 0.190 | 
| 5 | 1145 | Cathelijn PEETERS |  NED | 54.63 | 0.248 | 
| 6 | 629 | Savannah SUTHERLAND |  CAN | 54.99 | 0.214 | 
| 7 | 553 | Hanne CLAES |  BEL | 56.06 | 0.208 | 
| 8 | 874 | Eileen DEMES |  GER | 56.71 | 0.166 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 12.48 |  Shamier LITTLE |  USA | 
| 200 m | 24.83 |  Shamier LITTLE |  USA | 
| 300 m | 38.37 |  Shamier LITTLE |  USA |