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| 300 (19 May) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 43.4 | Kathryn Colwell | | U17 | W | 15 | 25.11.91 | | North Down | 41.69 | 41.69 |  |
| 2 | 44.3 | Shannon Brush | PB | U17 | W | 15 | 20.02.92 | | City of Lisburn | 44.3 | 43.48 | |
| 3 | 44.9 | Clemency Booth | SB | U17 | W | 16 | 14.12.90 | | Lagan Valley | 44.9 | 44.50 | |
| 4 | 45.0 | Emma Lewis | | U17 | W | 16 | 30.11.90 | | Lagan Valley | 43.8 | 43.8 | |
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