400mH Men ; Official result since 20:04
| Rank | Lane | ID | Name | SB | Team | Cat | Result | Info | Video |
| 1 | 5 | 301 | Culson Javier | 48.76 | Puerto Rico | Sen | 49.78 | ||
| 2 | 4 | 308 | Beach Curtis | 49.83 | United States | Sen | 50.40 | ||
| 3 | 7 | 307 | French Cameron | 49.97 | New Zealand | Sen | 50.49 | ||
| 4 | 6 | 302 | Flannery Niall | 51.16 | Great Britain | Sen | 50.64 | ||
| 5 | 3 | 312 | Bennett Paul | 51.75 | Wales | Sen | 52.74 | ||
| 6 | 2 | 309 | Crowe Timmy | 54.30 | Ireland | Sen | 55.40 | ||
| 7 | 8 | 310 | Power Eoin | 55.53 | Ireland | Sen | 56.39 | ||
| 8 | 1 | 313 | Clancy Diarmuid | Ireland | Sen | 56.81 |