LA-WM 2023Sa, 19.08. - So, 27.08.
Mo, 21.08.2023, 19:35 Uhr
| Pos | Name | Zeit | |
|---|---|---|---|
| 1 |  | Kyron McMaster | 47.72s |
| 2 |  | Rasmus Mägi | 48.30s |
| 3 |  | CJ Allen | 48.44s |
| 4 |  | Jaheel Hyde | 48.49s |
| 5 |  | Julien Watrin | 48.94s |
| 6 |  | Ezekiel Nathaniel | 49.22s |
| 7 |  | Bassem Hemeida | 49.50s |
| 8 |  | Mario Lambrughi | DSQ |
- Q = Direkte Qualifikation