| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 3876 | Dalilah MUHAMMAD |
USA
|
53.30 Q | 0.186 |
| 2 | 2513 | Janieve RUSSELL |
JAM
|
54.10 Q | 0.151 |
| 3 | 1176 | Paulien COUCKUYT |
BEL
|
54.47 NR | 0.164 |
| 4 | 2114 | Carolina KRAFZIK |
GER
|
54.96 | 0.172 |
| 5 | 1414 | Sage WATSON |
CAN
|
55.51 | 0.163 |
| 6 | 4015 | Thi Lan QUACH |
VIE
|
56.78 | 0.188 |
| 7 | 2403 | Linda OLIVIERI |
ITA
|
57.03 | 0.120 |
| 8 | 3075 | Amalie IUEL |
NOR
|
57.61 | 0.121 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 3870 | Sydney MCLAUGHLIN-LEVRONE |
USA
|
53.03 Q | 0.204 |
| 2 | 3122 | Gianna WOODRUFF |
PAN
|
54.22 Q NR | 0.207 |
| 3 | 3757 | Anna RYZHYKOVA |
UKR
|
54.23 q | 0.162 |
| 4 | 1584 | Zurian HECHAVARRÍA |
CUB
|
55.21 | 0.167 |
| 5 | 3172 | Joanna LINKIEWICZ |
POL
|
55.67 | 0.157 |
| 6 | 3538 | Emma ZAPLETALOVÁ |
SVK
|
55.79 | 0.136 |
| 7 | 3383 | Wenda NEL |
RSA
|
56.35 | 0.189 |
| 8 | 1149 | Tia-Adana BELLE |
BAR
|
59.26 | 0.146 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 2987 | Femke BOL |
NED
|
53.91 Q | 0.215 |
| 2 | 3836 | Anna COCKRELL |
USA
|
54.17 Q | 0.174 |
| 3 | 3766 | Viktoriya TKACHUK |
UKR
|
54.25 q | 0.224 |
| 4 | 3516 | Lea SPRUNGER |
SUI
|
55.12 | 0.140 |
| 5 | 2405 | Yadisleidis PEDROSO |
ITA
|
55.80 | 0.181 |
| 6 | 1536 | Melissa GONZALEZ |
COL
|
57.47 | 0.191 |
| 7 | 2028 | Jessica TURNER |
GBR
|
1:00.36 | 0.185 |
| 1659 | Sara Slott PETERSEN |
DEN
|
DQ | 0.165 |