| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Jacob Bacon | 12 | Co Peterboro | 1:18.37 |
| 2 | 2 | William Jones | 12 | teamipswich | 1:18.15 |
| 3 | 3 | S Newman-Baronius | 12 | Putteridge | 1:16.98 |
| 4 | 4 | Archie Tebbutt | 12 | Colchester | 1:13.43 |
| 5 | 5 | Orlando Whiting | 12 | St Felix Sch | 1:16.83 |
| 6 | 6 | Charlie Birdsall | 12 | Co Cambridge | 1:17.37 |
| 7 | 7 | Zach Montgomery | 12 | Norwich Swan | 1:18.33 |
| 8 | 8 | Attila Mozes | 12 | teamipswich | 1:18.47 |