Heats (Declared Winners) Boys 12/13 Yrs 100m Breaststroke
| Place | Name | AaD | Club | Time | | | 50 |
| 1. | Brad MATTHEWS | 13 | Leics ASA | 1:12.69 | | | 34.59 |
| 2. | Patrick IKHENA | 13 | Lincolns ASA | 1:13.25 | | | 34.94 |
| 3. | Jack HENDERSON | 13 | Worcester Co | 1:14.46 | | | 35.57 |
| 4. | Daniel SCRIVENS | 13 | Shropshi ASA | 1:16.20 | | | 35.36 |
| 5. | Elliot GLENN | 13 | Warwicks ASA | 1:16.27 | | | 36.95 |
| 6. | James ROBINSON | 12 | StaffordsASA | 1:16.44 | | | 36.40 |
| 7. | Levin VEALE | 13 | DevonCounASA | 1:17.55 | | | 35.62 |
| 8. | Spencer BOVEY | 13 | NorthampsASA | 1:17.83 | | | 36.89 |
| 9. | Aaron LEE | 12 | Oxfords&NBuc | 1:18.36 | | | 37.04 |
| 10. | Martin LUDENBACH | 13 | North Wales | 1:18.69 | | | 36.55 |
| 11. | Thomas WINDER | 13 | Bedfords ASA | 1:18.72 | | | 36.83 |
| 12. | Chris VICK | 13 | Norfolk Coun | 1:19.34 | | | 37.64 |
| 13. | Liam KNIGHT | 13 | Cambridgeshi | 1:20.36 | | | 37.60 |
| 14. | Dean EMBLING | 13 | Gloucestersh | 1:20.66 | | | 37.68 |
| 15. | Adam DAVIDSON | 13 | WiltshireASA | 1:21.71 | | | 37.40 |
| 16. | Alex MAGILL | 13 | Cumbria ASA | 1:23.09 | | | 39.73 |
| 17. | Michael ANTONIEWICZ | 13 | Scotland Mid | 1:26.27 | | | 40.24 |
| 18. | Josh SOLOMAN | 13 | Cornwall ASA | 1:26.84 | | | 40.67 |
