| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND | 
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 1975 | Lauren Rain WILLIAMS |  USA | 23.15 Q | -0.1 | |
| 2 | 1 | 3 | 1780 | Briana WILLIAMS |  JAM | 23.41 Q | +0.2 | |
| 3 | 2 | 2 | 1847 | Martyna KOTWIŁA |  POL | 23.42 Q | -0.1 | |
| 4 | 1 | 1 | 1503 | Polina MILLER |  ANA | 23.44 Q | -0.5 | |
| 5 | 3 | 2 | 1704 | Sophia JUNK |  GER | 23.46 q | -0.1 | |
| 6 | 2 | 3 | 1956 | Jayla Kirkland |  USA | 23.54 Q | +0.2 | |
| 7 | 2 | 1 | 1703 | Corinna SCHWAB |  GER | 23.57 Q | -0.5 | |
| 8 | 4 | 2 | 1552 | Lorraine MARTINS |  BRA | 23.64 q | -0.1 | |
| 9 | 3 | 1 | 1685 | Alisha Rees |  GBR | 23.67 | .663 | -0.5 | 
| 10 | 3 | 3 | 1561 | Ashlan Best |  CAN | 23.67 | .670 | +0.2 | 
| 11 | 5 | 2 | 1627 | Jaël BESTUÉ |  ESP | 23.68 | -0.1 | |
| 12 | 4 | 3 | 1519 | Mia Gross |  AUS | 23.86 | +0.2 | |
| 13 | 5 | 3 | 1623 | Gabriela Anahi SUAREZ |  ECU | 24.09 | +0.2 | |
| 14 | 6 | 3 | 1680 | Georgina Adam |  GBR | 24.37 | +0.2 | |
| 15 | 4 | 1 | 1919 | Iantha Wright |  TTO | 24.41 | -0.5 | |
| 16 | 7 | 3 | 1861 | Catarina LOURENÇO |  POR | 24.46 | .456 | +0.2 | 
| 17 | 8 | 3 | 1596 | Angie Saray González |  COL | 24.46 | .458 | +0.2 | 
| 18 | 6 | 2 | 1821 | Patrizia VAN DER WEKEN |  LUX | 24.58 | -0.1 | |
| 19 | 5 | 1 | 1785 | Shuri AONO |  JPN | 24.60 | -0.5 | |
| 20 | 7 | 2 | 1763 | Moillet Kouakou |  ITA | 24.61 | -0.1 | |
| 21 | 6 | 1 | 1554 | Leticia LIMA |  BRA | 24.64 | -0.5 | |
| 22 | 8 | 2 | 1740 | Ciara NEVILLE |  IRL | 24.68 | -0.1 | |
| 23 | 7 | 1 | 1815 | Akvilė Andriukaitytė |  LTU | 25.23 | -0.5 | |
| 1 | 1517 | Riley DAY |  AUS | DNS | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second