| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1615 | Salwa Eid NASER |
BRN
|
49.08 Q SB | 0.167 |
| 2 | 1985 | Rhasidat ADELEKE |
IRL
|
49.95 Q | 0.159 |
| 3 | 2217 | Henriette JÆGER |
NOR
|
50.17 q | 0.129 |
| 4 | 2175 | Lieke KLAVER |
NED
|
50.44 | 0.151 |
| 5 | 1887 | Victoria OHURUOGU |
GBR
|
51.14 | 0.189 |
| 6 | 2422 | Aaliyah BUTLER |
USA
|
51.18 | 0.160 |
| 7 | 2292 | Gabby SCOTT |
PUR
|
51.22 | 0.164 |
| 8 | 2046 | Junelle BROMFIELD |
JAM
|
51.93 | 0.187 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1734 | Marileidy PAULINO |
DOM
|
49.21 Q | 0.195 |
| 2 | 2440 | Alexis HOLMES |
USA
|
50.00 Q | 0.164 |
| 3 | 1884 | Laviai NIELSEN |
GBR
|
50.69 | 0.158 |
| 4 | 2064 | Nickisha PRYCE |
JAM
|
50.77 | 0.160 |
| 5 | 2299 | Andrea MIKLÓS |
ROU
|
50.78 | 0.158 |
| 6 | 2209 | Ella ONOJUVWEVWO |
NGR
|
51.05 | 0.188 |
| 7 | 1553 | Susanne GOGL-WALLI |
AUT
|
51.17 | 0.163 |
| 8 | 1718 | Lurdes Gloria MANUEL |
CZE
|
51.42 | 0.167 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 2248 | Natalia KACZMAREK |
POL
|
49.45 Q | 0.183 |
| 2 | 1862 | Amber ANNING |
GBR
|
49.47 Q PB | 0.227 |
| 3 | 1566 | Sada WILLIAMS |
BAR
|
49.89 q | 0.187 |
| 4 | 2430 | Kendall ELLIS |
USA
|
50.40 | 0.215 |
| 5 | 1705 | Roxana GÓMEZ |
CUB
|
50.48 | 0.209 |
| 6 | 2159 | Paola MORÁN |
MEX
|
50.73 | 0.183 |
| 7 | 2077 | Stacey Ann WILLIAMS |
JAM
|
50.79 | 0.153 |
| 8 | 2304 | Miranda Charlene COETZEE |
RSA
|
51.60 | 0.217 |