Heats (Declared Winners) Boys 12/13 Yrs 100m Freestyle
| Place | Name | AaD | Club | Time | | | 50 |
| 1. | Harry ASH | 13 | WiltshireASA | 57.72 | | | 28.29 |
| 2. | Darius SANGHORI | 13 | StaffordsASA | 57.77 | | | 28.57 |
| 3. | Charlie BITOWT | 13 | Lincolns ASA | 58.23 | | | 28.64 |
| 4. | Anthony PARKES | 13 | Worcester Co | 1:00.08 | | | 28.30 |
| 5. | Alex ROSE | 13 | Cumbria ASA | 1:00.24 | | | 29.22 |
| 6. | Lewis HUGHES | 13 | Norfolk Coun | 1:00.31 | | | 29.28 |
| 7. | Tom MORCOM | 13 | Cornwall ASA | 1:00.33 | | | 29.15 |
| 8. | Oliver EYRE | 12 | Gloucestersh | 1:00.36 | | | 29.17 |
| 9. | Freddie LITTLE | 13 | NorthampsASA | 1:00.62 | | | 29.47 |
| 10. | Lewis SMITH | 13 | North Wales | 1:00.68 | | | 29.35 |
| 11. | Jordan ALLISON | 13 | Oxfords&NBuc | 1:00.77 | | | 28.66 |
| 12. | Robert STAFFORD | 13 | Cambridgeshi | 1:02.28 | | | 29.80 |
| 13. | James FLOCKHART | 13 | DevonCounASA | 1:03.21 | | | 30.13 |
| 14. | Samuel BIBB | 13 | Warwicks ASA | 1:03.46 | | | 30.14 |
| 15. | Robert EVANS | 13 | Shropshi ASA | 1:03.47 | | | 30.74 |
| 16. | Brad MATTHEWS | 13 | Leics ASA | 1:03.64 | | | 30.45 |
| 17. | Blair MACDONALD | 13 | Scotland Mid | 1:04.18 | | | 30.88 |
| 18. | Thomas WINDER | 13 | Bedfords ASA | 1:04.41 | | | 31.42 |
