Heats (Declared Winners) Boys 12 Years 100m Breaststroke
| Place | Name | AaD | Club | Time | | | 50 |
| 1. | Cameron Austin | 12 | North Lancs | 1:18.09 | | | 36.95 |
| 2. | Fraser Minnican | 12 | Cumbria ASA | 1:22.67 | | | 39.81 |
| 3. | Alasdair Fairhurst | 12 | North Lancs | 1:23.70 | | | 39.53 |
| 4. | Oliver Fairway | 12 | LiverplDASA | 1:23.74 | | | 39.29 |
| 5. | Thomas Hadley | 12 | LiverplDASA | 1:24.43 | | | 40.27 |
| 6. | Elliot Hynes | 12 | Bolton & Manchester | 1:24.79 | | | 40.23 |
| 7. | Aidan Doctor | 12 | Cent Lancs | 1:28.17 | | | 41.41 |
| 8. | Lucas Arrona | 12 | Bolton & Manchester | 1:28.28 | | | 41.40 |
| 9. | Scott Coutts | 12 | North Mids | 1:28.69 | | | 42.26 |
| 10. | Haydn Birkett | 12 | Cumbria ASA | 1:32.10 | | | 43.10 |
| 11. | James Salt | 10 | Cent Lancs | 1:33.00 | | | 44.31 |
| James Mitchell | 12 | North Mids | DNC | | | |