| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 879 | Courtney OKOLO |
USA |
51.54 Q | |
| 2 | 1 | 5 | 750 | Stephenie Ann MCPHERSON |
JAM |
52.18 Q SB | |
| 3 | 2 | 1 | 718 | Maria Belimpasaki |
GRE |
52.27 Q PB | |
| 4 | 2 | 5 | 688 | Eilidh Doyle |
GBR |
52.31 Q | |
| 5 | 1 | 4 | 891 | Shakima WIMBLEY |
USA |
52.43 Q | |
| 6 | 1 | 2 | 834 | Lea SPRUNGER |
SUI |
52.46 Q | |
| 7 | 2 | 2 | 783 | Madiea Ghafoor |
NED |
52.54 Q | |
| 8 | 1 | 3 | 687 | Zoey CLARK |
GBR |
52.75 Q | .749 |
| 9 | 3 | 5 | 730 | Phil HEALY |
IRL |
52.75 q | .750 |
| 10 | 3 | 2 | 705 | Nadine GONSKA |
GER |
52.77 q PB | |
| 11 | 4 | 5 | 835 | Alexandra BEZEKOVÁ |
SVK |
52.78 q | |
| 12 | 2 | 4 | 772 | Agnė ŠERKŠNIENĖ |
LTU |
52.81 Q NIR | |
| 13 | 3 | 1 | 856 | Anna RYZHYKOVA |
UKR |
52.96 q PB | |
| 14 | 3 | 4 | 741 | Raphaela Boaheng LUKUDO |
ITA |
52.98 q PB | |
| 15 | 2 | 3 | 807 | Justyna ŚWIĘTY-ERSETIC |
POL |
53.05 Q | .043 |
| 16 | 4 | 1 | 659 | Lada VONDROVÁ |
CZE |
53.05 q | .047 |
| 17 | 4 | 4 | 809 | Patrycja WYCISZKIEWICZ-ZAWADZKA |
POL |
53.22 | |
| 18 | 3 | 3 | 737 | Ayomide FOLORUNSO |
ITA |
53.24 | |
| 19 | 4 | 3 | 629 | Kelsey Balkwill |
CAN |
53.29 | |
| 20 | 4 | 2 | 632 | Travia Jones |
CAN |
53.31 | |
| 21 | 1 | 6 | 753 | Tovea JENKINS |
JAM |
53.39 Q | |
| 22 | 5 | 3 | 761 | Svetlana Golendova |
KAZ |
53.44 | |
| 23 | 5 | 4 | 826 | Anita HORVAT |
SLO |
53.52 | |
| 24 | 5 | 5 | 828 | Tamara Salaški |
SRB |
53.61 | |
| 25 | 5 | 2 | 668 | Laura BUENO |
ESP |
53.66 | |
| 26 | 5 | 1 | 762 | Elina Mikhina |
KAZ |
53.90 | |
| 27 | 6 | 5 | 819 | Grace CLAXTON |
PUR |
53.92 | |
| 28 | 2 | 6 | 836 | Iveta PUTALOVÁ |
SVK |
53.97 Q | |
| 29 | 3 | 6 | 813 | Cátia AZEVEDO |
POR |
54.17 | |
| 30 | 6 | 3 | 897 | Kineke Alexander |
VIN |
55.46 | |
| 31 | 4 | 6 | 780 | Djénébou DANTÉ |
MLI |
57.85 SB | |
| 6 | 827 | Maja ĆIRIĆ |
SRB |
DQ | |||
| 2 | 678 | Miriama Senokonoko |
FIJ |
DQ | |||
| 6 | 790 | Patience Okon GEORGE |
NGR |
DNS |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second