Heat 6
samedi 27 juillet 2019, 03h40 GMT – 03h40 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Lilly King | United States | 30.18″ |
| 2 |  Alia Atkinson | Jamaica | + 0.35″ |
| 3 |  Jessica Hansen | Australia | + 0.51″ |
| 4 |  Alina Zmushka | Belarus | + 0.53″ |
| 5 | Rosey Metz | Netherlands | + 0.81″ |
| 6 |  Tes Schouten | Netherlands | + 0.85″ |
| 7 | Fanny Lecluyse | Belgium | + 1.24″ |
| 8 |  Kotryna Teterevkova | Lithuania | + 1.35″ |
| 9 | Weronika Hallmann | Poland | + 1.89″ |
| 10 | Pei-Wun Lin | Chinese Taipei | + 2.19″ |