| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Fraser Cooke | 15 | Southport | : . |
| 1 | 2 | Amir Castronovo | 16 | Camden Swiss | : . |
| 2 | 3 | Jacob Hudson | 15 | Sevenoaks | : . |
| 3 | 4 | Pravin Mahendrakumar | 16 | Bromley | : . |
| 4 | 5 | Sandor Apponyi | 16 | Mt Kelly | : . |
| 5 | 6 | Matthew Debenham | 15 | teamipswich | : . |
| 6 | 7 | Josh Press | 16 | Co Milton K | : . |
| 7 | 8 | Oscar Miles | 15 | Thanet Swim | : . |
| 8 | 9 | Louis Byrne | 16 | Co Cambridge | : . |
| 9 | 10 | George Glover | 15 | Worcester | : . |