400m U19 Women ; Official result since 14:34
55.28 Jenna Bromell
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 5 | 807 | DEELY Ciara | Kilkenny City Harriers A.C. | 56.17 | ||||
| 2 | 6 | 806 | MURRAY Deirdre | Na Fianna A.C. | 57.33 | ||||
| 3 | 3 | 826 | NALLY Laura | Galway City Harriers A.C. | 58.53 | ||||
| 4 | 4 | 871 | RYAN Alana | Greystones & District A.C. | 58.65 | ||||
| 5 | 1 | 827 | EARLS Arlene | Craughwell A.C. | 59.63 | ||||
| 6 | 2 | 825 | SHEEHY Aoife | Galway City Harriers A.C. | 1:00.63 |