| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Jun YANG | 11 | White Oak | 1:41.58 |
| 1 | 2 | Albert MACK | 11 | Gwich Royals | 1:41.28 |
| 2 | 3 | Ayaan MOUKARZEL | 11 | Beckenham | 1:39.25 |
| 3 | 4 | Ruben CHARLESWORTH | 11 | Bromley | 1:36.69 |
| 4 | 5 | William CRAGGS | 11 | Gwich Royals | 1:35.43 |
| 5 | 6 | Parker POLLARD | 11 | Thanet Swim | 1:36.42 |
| 6 | 7 | Harry GOULD | 11 | Gwich Royals | 1:37.93 |
| 7 | 8 | Hayden YIP | 11 | Bromley | 1:40.61 |
| 8 | 9 | Haoran LEE | 11 | Sevenoaks | 1:41.56 |
| 9 | 10 | Orlando CLARY | 11 | RTW Monson | 1:41.63 |