| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Fraser Cooke | 15 | Southport | : . |
| 1 | 2 | Alexander Chen | 15 | Camden Swiss | : . |
| 2 | 3 | Oliver Coote | 16 | Sevenoaks | : . |
| 3 | 4 | Matthew Rogers | 19 | Bromley | : . |
| 4 | 5 | Oliver Taverner | 18 | Mt Kelly | : . |
| 5 | 6 | Adam Hardy | 17 | teamipswich | : . |
| 6 | 7 | Rafe Dobson | 15 | Co Milton K | : . |
| 7 | 8 | Alexander Boyd | 18 | Thanet Swim | : . |
| 8 | 9 | Oliver Cashin | 17 | Co Cambridge | : . |
| 9 | 10 | Samuel Hall | 19 | Worcester | : . |