| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | William GEAREY | 15 | Worcester | : . |
| 1 | 2 | Pravin MAHENDRAKUMAR | 15 | Bromley | : . |
| 2 | 3 | Amir CASTRONOVO | 15 | Camden Swiss | : . |
| 3 | 4 | Oliver COOTE | 15 | Sevenoaks | : . |
| 4 | 5 | Ben CHOO-YIN | 16 | Co Cardiff | : . |
| 5 | 6 | Tobi SIJUADE | 16 | Thanet Swim | : . |
| 6 | 7 | Pietro LOMBARDO | 15 | Ealing | : . |
| 7 | 8 | Jackson O'ROURKE | 16 | Northampton | : . |
| 8 | 9 | William DWYER | 16 | Swansea Aq | : . |
| 9 | 10 | Ellis CLEWORTH | 14 | Co Liverpool | : . |