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| 300 U15M A |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 40.2 | Ciaran Barnes | PB | U15 | M | 13 | 08.08.98 | | City of Lisburn | 40.2 | 40.2 |  |
| 2 | 44.6 | Eoin Norris | | U15 | M | | | | Olym | | | |
| 3 | 45.1 | Jimmy O'Neill | PB | U15 | M | | | | City of Derry | 45.1 | 45.1 | |
| 4 | 45.8 | Jack O'Neill | | U15 | M | 13 | 11.08.98 | | Omagh | 43.82 | 43.82 | |
| 300 U15M B |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 45.20 | Ryan O'Hagan | PB | U15 | M | | | | Olympian Youth | 45.20 | 45.20 | |
| 2 | 54.00 | John Kerr | | U15 | M | | | | Omagh | | | |
| 300 U17W A |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 43.52 | Erin Quinn | SB | U17 | W | 15 | 04.11.96 | | City of Lisburn | 42.88 | 42.88 | |
| 2 | 43.86 | Megan Devine | PB | U17 | W | 16 | 11.04.96 | | City of Derry | 43.86 | 43.86 | |
| 3 | 44.65 | Christine Logue | PB | U17 | W | 15 | 27.12.96 | | Olympian Youth | 44.65 | 44.65 | |
| 4 | 46.01 | Kelly Maxwell | PB | U17 | W | | | | Lagan Valley | 46.01 | 46.01 | |
| 300 U17W B |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 44.80 | Ciara Armstrong | | U17 | W | 16 | 24.02.96 | | City of Derry | 42.35 | 42.35 | |
| 2 | 45.67 | Aoibhin McManus | | U17 | W | 15 | 17.05.96 | Phil McIlfatrick | City of Lisburn | 45.01 | 44.10 | |
| 3 | 46.98 | Olivia Webb | PB | U17 | W | 16 | 19.09.95 | | Olympian Youth | 46.97 | 46.97 | |
| 4 | 49.98 | Katherine Kirk | PB | U17 | W | 14 | 29.07.97 | | Lagan Valley | 49.98 | 49.98 | |
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