| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1731 | Hima DAS |
IND |
52.10 Q | |
| 2 | 2 | 1 | 1871 | Andrea MIKLÓS |
ROU |
52.48 Q | |
| 3 | 1 | 3 | 1510 | Ella CONNOLLY |
AUS |
52.78 Q SB | |
| 4 | 2 | 3 | 1808 | Mary MORAA |
KEN |
52.98 Q | |
| 5 | 3 | 1 | 1776 | Stacey Ann WILLIAMS |
JAM |
53.00 q | .993 |
| 6 | 1 | 2 | 1960 | Taylor MANSON |
USA |
53.00 Q | .000 |
| 7 | 2 | 2 | 1561 | Ashlan Best |
CAN |
53.24 Q PB | .232 |
| 8 | 4 | 1 | 1758 | Elisabetta VANDI |
ITA |
53.24 q NU20R | .233 |
| 9 | 3 | 2 | 1600 | Roxana GÓMEZ |
CUB |
53.26 | |
| 10 | 4 | 2 | 1549 | Tiffani MARINHO |
BRA |
53.30 | |
| 11 | 3 | 3 | 1748 | Davicia Patterson |
IRL |
53.57 | |
| 12 | 5 | 1 | 1565 | Sharelle Samuel |
CAN |
53.68 | |
| 13 | 5 | 2 | 1733 | Jisna Mathew |
IND |
53.86 | |
| 14 | 6 | 2 | 1617 | Fiordaliza COFIL |
DOM |
53.94 | |
| 15 | 6 | 1 | 1587 | Yu Zhou |
CHN |
54.00 SB | |
| 16 | 4 | 3 | 1646 | Frehiywot WONDIE |
ETH |
54.14 | |
| 17 | 5 | 3 | 1553 | Giovana dos Santos |
BRA |
54.30 | |
| 18 | 7 | 1 | 1578 | Shalysa WRAY |
CAY |
54.32 | .311 |
| 19 | 8 | 1 | 1932 | Stella Wonruku |
UGA |
54.32 | .317 |
| 20 | 6 | 3 | 1718 | Amanda Crawford |
GRN |
54.36 | |
| 21 | 7 | 2 | 1697 | Laura Kaufmann |
GER |
54.91 | |
| 22 | 7 | 3 | 1900 | Veronica VANCARDO |
SUI |
55.13 | |
| 23 | 8 | 3 | 1582 | Nuo Liang |
CHN |
55.51 | |
| 2 | 1597 | Angie Melisa Palacios |
COL |
DNS |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second