| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Jack Robertson | 14 | Corby | 1:19.23 |
| 2 | 2 | Finlay Underwood | 14 | Kettering | 1:14.87 |
| 3 | 3 | Jack Hurry | 14 | Northampton | 1:11.58 |
| 4 | 4 | Ethan Soppett-Moss | 14 | Corby | 1:09.39 |
| 5 | 5 | O Vasconcellos-Blanch | 14 | Nene Valley | 1:10.94 |
| 6 | 6 | Finley Dare | 14 | Corby | 1:13.11 |
| 7 | 7 | Zachary Jones | 14 | Northampton | 1:16.45 |
| 8 | 8 | Lucas Krynauw | 14 | Wellingboro | 1:19.45 |