400m Mas Women, Heat:4 of 7 ; Official result since 17:06
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 7 | 294 | KEARNEY Carol | Lucan Harriers A.C. | W50 | 1:09.19 | |||
| 2 | 4 | 298 | MOLLOY Breige | Omagh Harriers | W50 | 1:12.93 | |||
| 3 | 5 | 319 | HARTIGAN Helen | An Brú A.C. | W50 | 1:14.79 | |||
| 4 | 6 | 365 | LONERGAN Helen | Dunboyne A.C. | W50 | 1:18.54 | |||
| 5 | 8 | 380 | NICHOL WAUGH Ann | St Abbans A.C | W50 | 1:20.58 | |||
| 6 | 3 | 165 | MURRAY Ann | Mayo A.C. | W50 | 1:27.18 |