| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2023 | 
|---|---|---|---|---|---|
| 2 | 552 | Cynthia BOLINGO |  BEL | 49.96 | 49.96 | 
| 3 | 1019 | Candice MCLEOD |  JAM | 49.51 | 50.19 | 
| 4 | 959 | Rhasidat ADELEKE |  IRL | 49.20 | 49.20 | 
| 5 | 1142 | Lieke KLAVER |  NED | 49.81 | 49.81 | 
| 6 | 1207 | Natalia KACZMAREK |  POL | 49.48 | 49.48 | 
| 7 | 711 | Marileidy PAULINO |  DOM | 48.98 | 48.98 | 
| 8 | 549 | Sada WILLIAMS |  BAR | 49.58 | 49.58 | 
| 9 | 1390 | Talitha DIGGS |  USA | 49.93 | 49.93 |