400mH (0.762m/2'6)SEN Women, Heat:1 of 2 ; Official result since 13:23
Susan Smith 54.31
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 4 | 248 | MILLET Nessa | St Abbans A.C. | 1:03.42 | Q | |||
| 2 | 7 | 148 | MURRAY Deirdre | Na Fianna A.C. | 1:06.36 | Q | |||
| 3 | 6 | 399 | CONROY Aoife | Sli Cualann A.C. | 1:06.81 | Q | |||
| 4 | 5 | 473 | DUNNE Karen | Bohermeen A.C. | 1:08.37 | q | |||
| 5 | 3 | 20 | DOYLE Sarah | Tallaght A.C. | 1:09.89 |