Boys 13/UN 100m Breaststroke - Heats (Declared Winners)
Full Results
| Place | Name | YoB | Club | | Time | | R.T. | | | 50 |
| 1. | Andrew Flanigan | (00) | Co Cardiff | | 1:13.05 | | + 0.77 | | | 35.27 |
| 2. | Miles Clark | (00) | Ealing | | 1:15.03 | | + 0.86 | | | 35.82 |
| 3. | Richard SUGDEN | (00) | Woking | | 1:15.90 | | + 0.81 | | | 34.71 |
| 4. | Kyle Palmer | (00) | Co Coventry | | 1:17.44 | | + 0.77 | | | 35.72 |
| 5. | Jack Tucker | (00) | Millfield | | 1:17.64 | | + 0.80 | | | 36.51 |
| 6. | Archie Plowman | (01) | Northampton | | 1:17.91 | | + 0.84 | | | 37.25 |
| 7. | Sam COTTEE | (00) | teamipswich | | 1:18.25 | | + 0.86 | | | 36.81 |
| 8. | Joseph SMALL | (00) | Ellesmere Co | | 1:18.66 | | + 1.01 | | | 37.24 |
| 9. | Jack TO | (00) | Co Sheffield | | 1:18.89 | | + 0.76 | | | 36.97 |
| 10. | George Tester | (01) | TauntonDeane | | 1:25.37 | | + 0.81 | | | 40.38 |
