| # | Athlete | Time |
|---|---|---|
| 1 | Femke BolNetherlands | 52.10 |
| 2 | Jasmine JonesUnited States | 53.18 |
| 3 | Andrenette KnightJamaica | 53.79 |
| 4 | Gianna WoodruffPanama | 54.00 |
| 5 | Emma ZapletalováSlovakia | 54.08 |
| 6 | Lina NielsenGreat Britain | 55.04 |
| 7 | Daniela LedeckáSlovakia | 55.83 |
| 8 | Janieve RussellJamaica | 1:00.55 |
Times in Sydney time (AEDT). Results: Wikipedia, “2025 London Athletics Meet”, CC BY-SA 4.0. Unofficial, updated after the event.