400m JUN Women, Heat:2 of 2 ; Official result since 14:40
Joanne Cuddihy 52.94
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 132 | DEELY Ciara | Kilkenny City Harriers A.C. | 57.62 | Q | |||
| 2 | 7 | 76 | GOWING Niamh | Dundrum South Dublin A.C. | 59.12 | Q | |||
| 3 | 5 | 363 | MALONE Niamh | Monaghan Phoenix A.C. | 59.43 | Q | |||
| 4 | 2 | 159 | O'TOOLE Ellie | Newbridge A.C. | 59.44 | q | |||
| 5 | 3 | 332 | NALLY Laura | Galway City Harriers A.C. | 59.93 | ||||
| 6 | 6 | 367 | MCCABE Sophie | Bree A.C. | 1:00.75 | ||||
| 7 | 8 | 434 | BRUEN Elise | Carrick-on-Shannon A.C. | 1:03.99 |