| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 3 | 1420 | Shamier LITTLE |
USA |
52.81 Q SB | |
| 2 | 1 | 2 | 1136 | Femke BOL |
NED |
52.95 Q | |
| 3 | 1 | 1 | 1008 | Rushell CLAYTON |
JAM |
53.30 Q PB | |
| 4 | 2 | 3 | 599 | Kemi ADEKOYA |
BRN |
53.39 Q AR | |
| 5 | 2 | 1 | 1383 | Anna COCKRELL |
USA |
53.63 Q PB | |
| 6 | 3 | 3 | 1026 | Janieve RUSSELL |
JAM |
53.69 q | |
| 7 | 2 | 2 | 1018 | Andrenette KNIGHT |
JAM |
53.72 Q | |
| 8 | 4 | 3 | 987 | Ayomide FOLORUNSO |
ITA |
53.89 q NR | |
| 9 | 3 | 2 | 1431 | Dalilah MUHAMMAD |
USA |
54.19 | |
| 10 | 4 | 2 | 1366 | Anna RYZHYKOVA |
UKR |
54.42 SB | |
| 11 | 3 | 1 | 790 | Viivi LEHIKOINEN |
FIN |
54.48 | |
| 12 | 4 | 1 | 850 | Jessie KNIGHT |
GBR |
54.51 | |
| 13 | 5 | 2 | 887 | Carolina KRAFZIK |
GER |
54.58 | |
| 14 | 5 | 3 | 1145 | Cathelijn PEETERS |
NED |
54.63 | |
| 15 | 5 | 1 | 1196 | Gianna WOODRUFF |
PAN |
54.71 | |
| 16 | 6 | 3 | 629 | Savannah SUTHERLAND |
CAN |
54.99 | |
| 17 | 6 | 2 | 690 | Nikoleta JÍCHOVÁ |
CZE |
55.01 | |
| 18 | 6 | 1 | 1119 | Noura ENNADI |
MAR |
55.15 | |
| 19 | 7 | 1 | 1369 | Viktoriya TKACHUK |
UKR |
55.43 | .427 |
| 20 | 7 | 2 | 1182 | Line KLOSTER |
NOR |
55.43 | .429 |
| 21 | 8 | 2 | 1266 | Zenéy GELDENHUYS |
RSA |
55.49 | |
| 22 | 8 | 1 | 1000 | Rebecca SARTORI |
ITA |
55.98 | |
| 23 | 7 | 3 | 553 | Hanne CLAES |
BEL |
56.06 | |
| 24 | 8 | 3 | 874 | Eileen DEMES |
GER |
56.71 |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second