Heats (Declared Winners) Boys 12/13 Yrs 100m Backstroke
| Place | Name | AaD | Club | Time | | | 50 |
| 1. | Jay Olenicz | 13 | Dorset | 1:03.27 | | | 31.03 |
| 2. | Matthew Masters | 13 | Ox & N Bucks | 1:04.13 | | | 31.43 |
| 3. | Oliver Bitowt | 13 | Lincolnshire | 1:04.43 | | | 31.59 |
| 4. | Matthew Watkinson | 13 | Notts | 1:05.08 | | | 32.18 |
| 5. | Richard Jeffries | 13 | Cambs | 1:05.17 | | | 31.84 |
| 6. | Jack Howarth | 13 | Northants | 1:07.89 | | | 33.15 |
| 7. | Daniel Hussey | 13 | North Wales | 1:07.90 | | | 32.58 |
| 8. | Daniel Adair | 13 | Worcs | 1:08.64 | | | 33.62 |
| 9. | Luke Hollis | 13 | Cornwall | 1:08.95 | | | 33.70 |
| 10. | Sean Houlihan | 13 | Essex | 1:08.97 | | | 33.50 |
| 11. | Kyran Amesbury | 13 | Gloucs | 1:09.06 | | | 33.03 |
| 12. | Greg Wilson | 13 | Scot West | 1:09.68 | | | 33.25 |
| 13. | Ethan Hutchinson | 13 | Devon | 1:10.10 | | | 33.86 |
| 14. | Andrew Bryce | 13 | Scot North | 1:10.69 | | | 34.72 |
| 15. | Alexander Shreeve | 13 | Norfolk | 1:11.56 | | | 34.23 |
| 16. | Conner Delaney | 13 | Bedfordshire | 1:14.17 | | | 35.81 |
| 17. | William Maher | 12 | Cumbria | 1:14.66 | | | 35.05 |
| 18. | Robert Evans | 13 | Shropshire | 1:15.63 | | | 37.16 |
