400m SEN Men, Heat:1 of 6 ; Official result since 16:01
46.07 Pavel Maslak
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 6 | 289 | LENNON-FORD Luke | Clonliffe Harriers A.C. | 48.53 | ||||
| 2 | 5 | 83 | HARVEY Jason | 00:00.0 | Crusaders A.C. | 48.96 | |||
| 3 | 4 | 13 | BUGGY Eoghan | 00:00.0 | St Abbans A.C. | 49.26 | |||
| 4 | 3 | 269 | DAWKINS Sam | GBR | 49.45 | ||||
| 5 | 1 | 201 | QUILLIGAN Michael | 00:00.0 | Nenagh Olympic A.C. | 51.08 | |||
| 6 | 2 | 288 | MACNAMARA Darragh | Tullamore Harriers A.C. | 53.17 |