400m U18 Women ; Official result since 13:31
CBP 56.45 Jenna Bromell
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 704 | DEELY Ciara | Kilkenny City Harriers A.C. | 55.51 | CBP | |||
| 2 | 6 | 465 | KEANE Jo | Ennis Track A.C. | 57.39 | ||||
| 3 | 5 | 705 | MURRAY Deirdre | Na Fianna A.C. | 58.48 | ||||
| 4 | 7 | 203 | NALLY Laura | Galway City Harriers A.C. | 59.49 | ||||
| 5 | 3 | 75 | CROSSAN Laura | Finn Valley A.C. | 59.84 | ||||
| 6 | 8 | 204 | SHEEHY Aoife | Galway City Harriers A.C. | 1:01.27 | ||||
| 7 | 1 | 466 | RUSSELL Annie | Emerald A.C. | 1:01.53 | ||||
| 8 | 2 | 925 | WALSH Orla | Dundrum South Dublin A.C. | 1:01.61 |