| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Christy MOON | 17 | Chelsea&West | : . |
| 1 | 2 | Jamie SCHOLES | 17 | Co Peterboro | : . |
| 2 | 3 | Mitchell ADAMS | 18 | Hillingdon | : . |
| 3 | 4 | John BRITTON | 22 | Ealing | : . |
| 4 | 5 | Jakob GOODMAN | 17 | Thanet Swim | : . |
| 5 | 6 | Sebastian STEWART | 17 | Sevenoaks | : . |
| 6 | 7 | Charles RAYNER | 16 | Hatfield | : . |
| 7 | 8 | Matthew POMFORD | 17 | Co Liverpool | : . |
| 8 | 9 | Daniel DAVIES | 19 | Swansea Aq | : . |
| 9 | 10 | Ben STANFORD | 18 | Boldmere | : . |