| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 273 | Stephenie Ann MCPHERSON |
JAM
|
51.26 Q SB | 0.137 |
| 2 | 300 | Femke BOL |
NED
|
51.28 Q | 0.222 |
| 3 | 233 | Aliyah ABRAMS |
GUY
|
51.57 Q AIR | 0.164 |
| 4 | 319 | Natalia KACZMAREK |
POL
|
51.87 | 0.180 |
| 5 | 150 | Roxana GÓMEZ |
CUB
|
52.28 | 0.164 |
| 6 | 215 | Ama PIPI |
GBR
|
52.95 | 0.166 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 12.45 |
Stephenie AnnMCPHERSON |
JAM
|
| 200 m | 23.98 |
Stephenie AnnMCPHERSON |
JAM
|
| 300 m | 37.05 |
Stephenie AnnMCPHERSON |
JAM
|
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 110 | Shaunae MILLER-UIBO |
BAH
|
51.38 Q SB | 0.139 |
| 2 | 323 | Justyna ŚWIĘTY-ERSETIC |
POL
|
51.67 Q | 0.185 |
| 3 | 303 | Lieke KLAVER |
NED
|
51.81 Q | 0.159 |
| 4 | 208 | Jessie KNIGHT |
GBR
|
51.93 SB | 0.156 |
| 5 | 291 | Modesta JustÄ— MORAUSKAITÄ– |
LTU
|
52.00 | 0.170 |
| 6 | 245 | Phil HEALY |
IRL
|
52.40 | 0.160 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 12.10 |
ShaunaeMILLER-UIBO |
BAH
|
| 200 m | 23.79 |
ShaunaeMILLER-UIBO |
BAH
|
| 300 m | 37.11 |
ShaunaeMILLER-UIBO |
BAH
|