Heat 7
vendredi 26 juillet 2019, 04h11 GMT – 04h11 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Sarah Sjöström | Sweden | 25.39″ |
| 2 |  Ranomi Kromowidjojo | Netherlands | + 0.47″ |
| 3 | Louise Hansson | Sweden | + 0.58″ |
| 4 |  Marie Wattel | France | + 0.68″ |
| 5 |  Jeanette Ottesen | Denmark | + 0.7″ |
| 6 |  Brianna Throssell | Australia | + 0.75″ |
| 7 |  Erin Gallagher | South Africa | + 1.06″ |
| 8 |  Ye-Rin Park | Korea | + 1.36″ |
| 9 | Sasha Touretski | Switzerland | + 1.5″ |
| 10 | Anicka Delgado | Ecuador | + 2.09″ |