Boys 16/UN 100m Breaststroke - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | | R.T. | | | 50 |
| 1. | Kyle BOOTH | (01) | Co Cardiff | | 1:07.27 | | | | | 31.90 |
| 2. | Will MITCHELL | (02) | Millfield | | 1:09.52 | | | | | 34.33 |
| 3. | Arnold MARTON | (01) | Co Oxford | | 1:10.62 | | | | | 33.61 |
| 4. | Charlie TROTMAN | (02) | Guildford Ct | | 1:11.66 | | | | | 34.16 |
| 5. | Ben FOSTER | (02) | Stockport Mo | | 1:11.89 | | | | | 34.48 |
| 6. | Campbell STEPHEN | (01) | Co Derby | | 1:12.21 | | | | | 33.56 |
| 7. | Andrew AU | (01) | Wycombe Dist | | 1:12.49 | | | | | 33.76 |
| 8. | Miles DRABWELL | (01) | Co Milton K | | 1:12.52 | | | | | 34.20 |
| 9. | Sam PERKINS | (02) | teamipswich | | 1:12.78 | | | | | 34.25 |
| 10. | Louis EDWARDS-PRATT | (02) | Plymouth Lea | | 1:15.76 | | | | | 35.32 |
