| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Elliotte Ledger | 10 | Co Peterboro | 1:23.69 |
| 2 | 2 | Tom Ward | 10 | Chelmsford | 1:22.68 |
| 3 | 3 | Harvey Skellern | 10 | Co Cambridge | 1:22.32 |
| 4 | 4 | Samuel Perks | 10 | Chelmsford | 1:21.35 |
| 5 | 5 | Henry Newell | 10 | Newmarket | 1:21.50 |
| 6 | 6 | Noah Townley | 10 | Bo Southend | 1:22.33 |
| 7 | 7 | William Harpur-Davies | 10 | West Suffolk | 1:22.72 |
| 8 | 8 | Isaac Addison | 10 | Co Peterboro | 1:24.18 |