| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2021 | 
|---|---|---|---|---|---|
| 2 | 2021 | Ama PIPI |  GBR | 51.08 | 51.08 | 
| 3 | 1606 | Eleni ARTYMATA |  CYP | 51.14 | 51.79 | 
| 4 | 1583 | Roxana GÓMEZ |  CUB | 50.76 | 50.76 | 
| 5 | 1684 | Marileidy PAULINO |  DOM | 49.99 | 49.99 | 
| 6 | 3853 | Quanera HAYES |  USA | 49.72 | 49.78 | 
| 7 | 2501 | Candice MCLEOD |  JAM | 49.91 | 49.91 | 
| 8 | 1629 | Lada VONDROVÁ |  CZE | 51.14 | 51.14 | 
| 9 | 1112 | Susanne GOGL-WALLI |  AUT | 51.99 | 51.99 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2021 | 
|---|---|---|---|---|---|
| 2 | 2249 | Aliyah ABRAMS |  GUY | 51.13 | 51.44 | 
| 3 | 1762 | Aauri Lorena BOKESA |  ESP | 51.66 | 51.89 | 
| 4 | 2500 | Roneisha MCGREGOR |  JAM | 50.02 | 50.02 | 
| 5 | 2033 | Jodie WILLIAMS |  GBR | 50.94 | 50.94 | 
| 6 | 1131 | Shaunae MILLER-UIBO |  BAH | 48.37 | 49.08 | 
| 7 | 3857 | Wadeline JONATHAS |  USA | 49.60 | 50.03 | 
| 8 | 2995 | Lieke KLAVER |  NED | 50.98 | 50.98 | 
| 9 | 2924 | Paola MORÁN |  MEX | 51.02 | 51.18 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2021 | 
|---|---|---|---|---|---|
| 2 | 2991 | Lisanne DE WITTE |  NED | 50.77 | 51.68 | 
| 3 | 1388 | Kyra CONSTANTINE |  CAN | 50.87 | 50.87 | 
| 4 | 3164 | Natalia KACZMAREK |  POL | 50.72 | 50.72 | 
| 5 | 2502 | Stephenie Ann MCPHERSON |  JAM | 49.61 | 49.61 | 
| 6 | 3847 | Allyson FELIX |  USA | 49.26 | 50.02 | 
| 7 | 1920 | Amandine BROSSIER |  FRA | 51.25 | 51.25 | 
| 8 | 1151 | Sada WILLIAMS |  BAR | 51.31 | 51.36 | 
| 9 | 3223 | Cátia AZEVEDO |  POR | 50.59 | 50.59 |