| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 1982 | Wadeline JONATHAS |
USA |
50.57 Q | |
| 2 | 1 | 4 | 315 | Galefele MOROKO |
BOT |
50.59 Q PB | |
| 3 | 1 | 6 | 376 | Salwa Eid NASER |
BRN |
50.74 Q | |
| 4 | 1 | 1 | 1966 | Phyllis FRANCIS |
USA |
50.77 Q | |
| 5 | 2 | 2 | 1183 | Shericka JACKSON |
JAM |
51.13 Q | |
| 6 | 1 | 3 | 2017 | Shakima WIMBLEY |
USA |
51.17 Q | |
| 7 | 3 | 2 | 181 | Bendere OBOYA |
AUS |
51.21 Q PB | .203 |
| 8 | 2 | 4 | 1185 | Stephenie Ann MCPHERSON |
JAM |
51.21 Q | .209 |
| 9 | 1 | 5 | 226 | Shaunae MILLER-UIBO |
BAH |
51.30 Q | |
| 10 | 4 | 2 | 1435 | Lisanne DE WITTE |
NED |
51.31 q | |
| 11 | 2 | 3 | 1546 | Iga BAUMGART-WITAN |
POL |
51.34 Q | .333 |
| 11 | 2 | 6 | 1557 | Justyna ŚWIĘTY-ERSETIC |
POL |
51.34 Q | .333 |
| 13 | 3 | 4 | 1467 | Favour OFILI |
NGR |
51.51 Q PB | |
| 14 | 3 | 3 | 868 | Laviai NIELSEN |
GBR |
51.52 Q | |
| 15 | 3 | 6 | 1402 | Paola MORÁN |
MEX |
51.58 Q | |
| 16 | 5 | 2 | 862 | Emily DIAMOND |
GBR |
51.66 q SB | |
| 17 | 4 | 4 | 1014 | Aliyah ABRAMS |
GUY |
51.73 q | |
| 18 | 2 | 5 | 797 | Déborah Sananes |
FRA |
51.76 Q | |
| 19 | 6 | 2 | 1464 | Patience Okon GEORGE |
NGR |
51.77 q | |
| 20 | 5 | 4 | 1964 | Kendall ELLIS |
USA |
51.82 q | |
| 21 | 6 | 4 | 572 | Roxana GÓMEZ |
CUB |
51.85 q | .841 |
| 22 | 3 | 5 | 1312 | Mary MORAA |
KEN |
51.85 Q | .848 |
| 23 | 7 | 2 | 580 | Eleni ARTYMATA |
CYP |
51.90 | |
| 24 | 4 | 3 | 354 | Tiffani MARINHO |
BRA |
51.96 | .956 |
| 25 | 4 | 5 | 129 | Polina MILLER |
ANA |
51.96 | .958 |
| 26 | 4 | 6 | 122 | Kseniya Aksyonova |
ANA |
51.99 | |
| 27 | 5 | 3 | 424 | Aiyanna STIVERNE |
CAN |
52.03 | |
| 28 | 2 | 1 | 233 | Sada WILLIAMS |
BAR |
52.14 Q | |
| 29 | 8 | 2 | 2048 | Alyona Mamina |
ANA |
52.15 | |
| 30 | 7 | 4 | 1659 | Maggie BARRIE |
SLE |
52.16 SB | |
| 31 | 6 | 3 | 1812 | Leni SHIDA |
UGA |
52.22 | |
| 32 | 3 | 1 | 602 | Lada VONDROVÁ |
CZE |
52.23 Q | |
| 33 | 5 | 6 | 423 | Madeline PRICE |
CAN |
52.24 | |
| 34 | 5 | 5 | 1550 | Anna KIEŁBASIŃSKA |
POL |
52.25 | |
| 35 | 6 | 5 | 1184 | Anastasia LE-ROY |
JAM |
52.26 | |
| 36 | 7 | 5 | 1000 | Eirini VASILEIOU |
GRE |
52.31 | |
| 37 | 6 | 6 | 1052 | Anjali Devi |
IND |
52.33 | |
| 38 | 7 | 3 | 1120 | Maria Benedicta CHIGBOLU |
ITA |
52.63 | |
| 39 | 4 | 1 | 1661 | Anita HORVAT |
SLO |
52.73 | |
| 40 | 5 | 1 | 1574 | Cátia AZEVEDO |
POR |
52.79 | |
| 41 | 7 | 6 | 791 | Amandine BROSSIER |
FRA |
52.81 | |
| 42 | 6 | 1 | 311 | Christine BOTLOGETSWE |
BOT |
53.27 | |
| 43 | 8 | 3 | 1411 | Janet RICHARD |
MLT |
54.33 PB | |
| 44 | 8 | 4 | 180 | Gabriella O'Grady |
AUS |
54.99 | |
| 45 | 7 | 1 | 1317 | Hellen Syombua KALII |
KEN |
57.07 | |
| 46 | 8 | 6 | 1392 | Aishath Himna HASSAN |
MDV |
59.91 | |
| 47 | 8 | 5 | 1610 | Kenza Sosse |
QAT |
1:06.76 | |
| 1 | 1421 | Ingrid Yahocza Narváez Solis |
NCA |
DQ |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second