Heats (Declared Winners) Boys 12/13 Yrs 100m Backstroke
| Place | Name | AaD | Club | Time | | | 50 |
| 1. | Andrew ARTHUR | 13 | Scotland Wes | 1:01.52 | | | 30.37 |
| 2. | Zach COURTNEY | 13 | Scotland Eas | 1:01.99 | | | 29.87 |
| 3. | Robbie BURNS | 13 | South Wales | 1:03.98 | | | 31.19 |
| 4. | Jordan THEAKER | 13 | Lancashire C | 1:04.97 | | | 32.20 |
| 5. | Joshua BERRY | 13 | YorkshireASA | 1:05.25 | | | 31.57 |
| 6. | Dacre CAPSTICK | 13 | HertfordsASA | 1:05.70 | | | |
| 7. | Oliver KEEGAN | 13 | Middlesex Co | 1:06.20 | | | 31.56 |
| 8. | James O'CONNELL | 13 | Northumb&Dur | 1:06.60 | | | 32.20 |
| 9. | Luke BAILEY | 13 | Suffolk ASA | 1:06.90 | | | 33.05 |
| 10. | Jay OLENICZ | 12 | DorsetCounty | 1:07.08 | | | |
| 11. | Nick CONSTABLE | 13 | SomersetCoun | 1:07.43 | | | |
| 12. | Sebastian SMITH | 13 | Nottinghamsh | 1:08.43 | | | 33.01 |
| 13. | Mattew FARRAN | 13 | KentCounASA | 1:08.54 | | | |
| 14. | Luke WOOLSTENCROFT | 12 | CheshireCo | 1:08.81 | | | |
| 15. | James LANKFORD | 13 | Derbyshi ASA | 1:08.92 | | | |
| 16. | Michael HARRIS | 12 | Hampshire Co | 1:09.54 | | | |
| 17. | Ben ASHTON | 13 | EssexCounASA | 1:09.91 | | | |
| 18. | Micheal INGRAM | 13 | Surrey Co AS | 1:10.28 | | | 33.54 |
| 19. | Jason WOOLDRIDGE | 13 | SussexCounty | 1:10.29 | | | |
| 20. | Patrick FLYNN | 13 | Berks&SBucks | 1:10.60 | | | |
