First 3 in each heat (Q) and the next 6 fastest (q)

First 3 of each heat (Q) plus 6 fastest times (q) qualify to Semi-Final

POS Rank Heat BIB ATHLETE COUNTRY RESULTS ms*
1 1 3 818 Ella ONOJUVWEVWO NGRNGR 52.19 Q
2 1 4 1003 Zaya AKINS USAUSA 52.69 Q
3 1 2 407 Dianna PROCTOR CANCAN 52.73 Q PB
4 2 2 472 Lurdes Gloria MANUEL CZECZE 52.76 Q
5 2 3 441 Paola LOBOA COLCOL 52.81 Q PB
6 1 1 578 Charlotte HENRICH GBRGBR 53.07 Q
7 3 2 862 Dominika DURAJ POLPOL 53.16 Q
8 2 1 622 Johanna MARTIN GERGER 53.22 Q
9 1 6 1039 Michaela MOUTON USAUSA 53.29 Q
10 2 6 436 Nahomy CASTRO COLCOL 53.37 Q SB
11 3 3 331 Jemma POLLARD AUSAUS 53.45 Q
12 2 4 575 Kara DACOSTA GBRGBR 53.59 Q
13 3 1 665 Zita SZENTGYÖRGYI HUNHUN 53.63 Q
14 4 3 824 Line Safaa AL-SAIDDI NORNOR 53.64 q SB
15 1 5 721 Elisa VALENSIN ITAITA 53.82 Q
16 2 5 926 Karolina ZBIČAJNIK SLOSLO 53.86 Q
17 4 2 385 Julia Aparecida ROCHA BRABRA 53.87 q
18 4 1 843 Madeleine WADDELL NZLNZL 54.02 q PB
19 3 4 889 Maria Denisa CAPOTĂ ROUROU 54.03 Q
20 3 5 335 Amelia ROWE AUSAUS 54.10 Q
21 4 4 906 Precious MOLEPO RSARSA 54.11 q
22 5 3 1050 Jonbibi HUKMOVA UZBUZB 54.12 q PB
23 3 6 749 Shanque WILLIAMS JAMJAM 54.22 Q
24 5 2 829 Borghild Oline HOLSTAD NORNOR 54.48 q
25 4 5 654 Tianna SPRINGER GUYGUY 54.49 .482
26 4 6 913 Chane VERMEULEN RSARSA 54.49 .487
27 5 6 412 Kiara WEBB CANCAN 54.60
28 6 3 750 Abrina WRIGHT JAMJAM 54.63
29 7 3 805 Angelique ABBERLEY MRIMRI 54.66 NU20R .658
30 6 6 916 Laavinia JAIGANTH SGPSGP 54.66 NU20R .659
31 6 2 653 Narissa MCPHERSON GUYGUY 54.67
32 5 4 964 Lenka GYMERSKÁ SVKSVK 55.01
33 7 6 888 Stefania BALINT ROUROU 55.05
34 8 6 392 Kristina PETKOVA BULBUL 55.09
35 5 1 460 Camila RODRÍGUEZ CUBCUB 55.24
36 8 3 305 Malena GALVAN ARGARG 55.37 =PB
37 5 5 953 Michelle LIEM SUISUI 55.42
38 6 1 799 Kenya MATURANA MEXMEX 55.45
39 6 5 691 Eir HLESDOTTIR ISLISL 55.48
40 7 5 644 Chrysi FOUNTOULAKI GREGRE 55.54
41 9 3 676 Neeru PAHTAK INDIND 55.58
42 7 2 702 Elena CAMBIOLO ITAITA 55.61
43 6 4 510 Ana PRIETO ESPESP 55.75
44 8 5 1065 Tyhra CHARLES VINVIN 55.87
45 7 1 917 T'anna LIBURD SKNSKN 55.91
46 8 2 958 Chiara RISI SUISUI 56.11
47 8 1 941 Jithma WIJETHUNGA SRISRI 56.16
48 9 6 673 Anuskha KUMBHAR INDIND 56.52
49 9 2 923 Lina KEDER SLOSLO 56.54
50 7 4 800 Paola MIRELES MEXMEX 56.58
51 8 4 390 Grazielly Kamilly VANDERLEI SENA BRABRA 56.75
52 9 4 1002 Giuliana ORONÁ URUURU 58.42
5 822 Salamatou HALIDOU HASSANE NIGNIG DNS
Legend

ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second