400m U19 Men ; Official result since 14:34
48.96 Paul Murphy
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 413 | MITCHELL Jack | St. L. O'Toole A.C. | 50.09 | ||||
| 2 | 6 | 409 | DUFFY Christopher | Tallaght A.C. | 50.30 | ||||
| 3 | 3 | 411 | AYRES Simon | Metro/St. Brigid's A.C. | 50.80 | ||||
| 4 | 2 | 373 | HUGHES Adam | Loughview AC | 52.10 | ||||
| 5 | 1 | 865 | BRESLIN Conor | Finn Valley A.C. | 52.65 | ||||
| 6 | 4 | 898 | KENNY Eoin | Waterford A.C. | 53.64 |