400m U19 Men, Heat:3 of 3 ; Official result since 11:00
48.96 Paul Murphy
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 409 | DUFFY Christopher | Tallaght A.C. | 51.14 | Q | |||
| 2 | 6 | 865 | BRESLIN Conor | Finn Valley A.C. | 51.73 | q | |||
| 3 | 4 | 405 | BRULE Diego | Galway City Harriers A.C. | 51.88 | ||||
| 4 | 3 | 371 | VERMEER Jack | Carrick on Suir A.C. | 54.43 |