| # | Athlete | Time |
|---|---|---|
| 1 | Karsten WarholmNorway | 46.61 |
| 2 | Emil AgyekumGermany | 47.45 |
| 3 | Abderrahman SambaQatar | 48.10 |
| 4 | Ezekiel NathanielNigeria | 48.30 |
| 5 | Matheus LimaBrazil | 48.33 |
| 6 | Alastair ChalmersGreat Britain | 48.81 |
| 7 | Caleb DeanUnited States | 50.45 |
Times in Sydney time (AEDT). Results: Wikipedia, “2026 London Athletics Meet”, CC BY-SA 4.0. Unofficial, updated after the event.
