| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Harry Rowland | 15 | Southport | : . |
| 1 | 2 | Yann Divet | 16 | Camden Swiss | : . |
| 2 | 3 | Louis Hayes | 15 | Sevenoaks | : . |
| 3 | 4 | Thomas Woolley | 16 | Bromley | : . |
| 4 | 5 | Douglas Kelly | 16 | Mt Kelly | : . |
| 5 | 6 | Joe Cooper | 15 | teamipswich | : . |
| 6 | 7 | Jamie Hanss | 16 | Co Milton K | : . |
| 7 | 8 | Luca Mcavoy | 18 | Thanet Swim | : . |
| 8 | 9 | Sebastian Vandermeer | 16 | Co Cambridge | : . |
| 9 | 10 | William Gearey | 16 | Worcester | : . |