| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 376 | Salwa Eid NASER |
BRN
|
49.79 Q | 0.185 |
| 2 | 1966 | Phyllis FRANCIS |
USA
|
50.22 Q SB | 0.218 |
| 3 | 1546 | Iga BAUMGART-WITAN |
POL
|
51.02 q PB | 0.192 |
| 4 | 1402 | Paola MORÁN |
MEX
|
51.08 | 0.233 |
| 5 | 1014 | Aliyah ABRAMS |
GUY
|
51.71 | 0.156 |
| 6 | 1464 | Patience Okon GEORGE |
NGR
|
51.89 | 0.167 |
| 7 | 797 | Déborah Sananes |
FRA
|
52.24 | 0.210 |
| 8 | 868 | Laviai NIELSEN |
GBR
|
52.94 | 0.166 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 226 | Shaunae MILLER-UIBO |
BAH
|
49.66 Q | 0.144 |
| 2 | 1982 | Wadeline JONATHAS |
USA
|
50.07 Q PB | 0.202 |
| 3 | 1183 | Shericka JACKSON |
JAM
|
50.10 q | 0.181 |
| 4 | 233 | Sada WILLIAMS |
BAR
|
51.31 PB | 0.171 |
| 5 | 1435 | Lisanne DE WITTE |
NED
|
51.41 | 0.197 |
| 6 | 572 | Roxana GÓMEZ |
CUB
|
51.56 SB | 0.191 |
| 7 | 181 | Bendere OBOYA |
AUS
|
51.58 | 0.215 |
| 8 | 602 | Lada VONDROVÁ |
CZE
|
52.25 | 0.219 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1185 | Stephenie Ann MCPHERSON |
JAM
|
50.70 Q SB | 0.134 |
| 2 | 1557 | Justyna ŚWIĘTY-ERSETIC |
POL
|
50.96 Q | 0.213 |
| 3 | 1964 | Kendall ELLIS |
USA
|
51.58 | 0.202 |
| 4 | 862 | Emily DIAMOND |
GBR
|
51.62 SB | 0.129 |
| 5 | 1312 | Mary MORAA |
KEN
|
52.11 | 0.276 |
| 6 | 1467 | Favour OFILI |
NGR
|
52.58 | 0.185 |
| 7 | 2017 | Shakima WIMBLEY |
USA
|
1:13.55 | 0.201 |
| 315 | Galefele MOROKO |
BOT
|
DNF | 0.214 |