400m Women Heats, Heat:2 of 3 ; Official result since 13:38
Karen Shinkins 51.58 (2002)
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 6 | 185 | HEALY Phil | Bandon A.C. | 55.71 | Q | |||
| 2 | 5 | 154 | DEELY Ciara | Kilkenny City Harriers A.C. | 56.28 | q | |||
| 3 | 4 | 131 | RYAN Holly | Raheny Shamrock A.C. | 61.63 | ||||
| 4 | 3 | 298 | CAMPION Aoife | St Abbans A.C | 62.04 |