| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1984 | Sydney MCLAUGHLIN-LEVRONE |
USA |
54.45 Q | |
| 2 | 1 | 4 | 1494 | Amalie IUEL |
NOR |
54.72 Q NR | |
| 3 | 1 | 3 | 1989 | Dalilah MUHAMMAD |
USA |
54.87 Q | |
| 4 | 2 | 1 | 1689 | Lea SPRUNGER |
SUI |
54.98 Q SB | |
| 5 | 1 | 2 | 1841 | Anna RYZHYKOVA |
UKR |
55.11 Q | |
| 6 | 2 | 4 | 373 | Aminat JAMAL |
BRN |
55.13 Q PB | |
| 7 | 3 | 4 | 1125 | Ayomide FOLORUNSO |
ITA |
55.20 Q | .192 |
| 8 | 3 | 1 | 1188 | Shiann SALMON |
JAM |
55.20 Q PB | .197 |
| 9 | 1 | 5 | 1178 | Rushell CLAYTON |
JAM |
55.23 Q | |
| 10 | 4 | 4 | 2006 | Ashley SPENCER |
USA |
55.28 Q | |
| 11 | 5 | 4 | 1433 | Femke BOL |
NED |
55.32 q PB | |
| 12 | 2 | 2 | 594 | Zuzana HEJNOVÁ |
CZE |
55.33 Q | |
| 13 | 2 | 3 | 571 | Zurian HECHAVARRÍA |
CUB |
55.36 Q | |
| 14 | 4 | 1 | 131 | Vera Rudakova |
ANA |
55.51 Q SB | |
| 15 | 2 | 5 | 421 | Sage WATSON |
CAN |
55.57 Q | |
| 16 | 6 | 4 | 255 | Hanne CLAES |
BEL |
55.68 q | |
| 17 | 3 | 2 | 866 | Jessica TURNER |
GBR |
55.72 Q PB | |
| 18 | 4 | 2 | 1141 | Yadisleidis PEDROSO |
ITA |
55.78 Q SB | |
| 19 | 5 | 2 | 954 | Carolina KRAFZIK |
GER |
55.93 q | |
| 20 | 3 | 3 | 1555 | Joanna LINKIEWICZ |
POL |
55.97 Q | .961 |
| 21 | 3 | 5 | 856 | Meghan BEESLEY |
GBR |
55.97 Q | .965 |
| 22 | 5 | 1 | 178 | Lauren BODEN |
AUS |
56.00 q | |
| 23 | 4 | 3 | 1514 | Gianna WOODRUFF |
PAN |
56.07 Q | |
| 24 | 6 | 2 | 1203 | Ronda WHYTE |
JAM |
56.37 | .362 |
| 25 | 4 | 5 | 193 | Sarah CARLI |
AUS |
56.37 Q | .367 |
| 26 | 7 | 2 | 541 | Melissa GONZALEZ |
COL |
56.49 | |
| 27 | 5 | 3 | 123 | Valeriya Andreyeva |
ANA |
56.79 | |
| 28 | 5 | 5 | 1138 | Linda OLIVIERI |
ITA |
56.82 | |
| 29 | 7 | 4 | 202 | Sara Klein |
AUS |
56.97 | |
| 30 | 8 | 4 | 1741 | Yanique HAYE-SMITH |
TKS |
56.98 | |
| 31 | 6 | 5 | 1649 | Zenéy GELDENHUYS |
RSA |
57.11 | |
| 32 | 6 | 3 | 253 | Paulien COUCKUYT |
BEL |
57.15 | |
| 33 | 7 | 5 | 232 | Tia-Adana BELLE |
BAR |
57.37 | |
| 34 | 6 | 1 | 351 | Jessica Moreira |
BRA |
57.66 | |
| 35 | 8 | 5 | 1385 | Lamiae Lhabz |
MAR |
58.44 | |
| 36 | 7 | 1 | 1609 | Mariam Mamdouh Farid |
QAT |
1:09.49 PB | |
| 2 | 1957 | Kori CARTER |
USA |
DNF | |||
| 3 | 614 | Sara Slott PETERSEN |
DEN |
DQ | |||
| 1 | 1506 | Portia BING |
NZL |
DQ |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second