| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | George Berrill | 13 | Daventry | 45.98 |
| 2 | 2 | Zak Hesketh | 13 | Rushden | 43.54 |
| 3 | 3 | Nikita Bals | 13 | Northampton | 42.32 |
| 4 | 4 | Ryunosuke Jenkins | 13 | Corby | 38.23 |
| 5 | 5 | Noah Bielby | 13 | Kettering | 38.98 |
| 6 | 6 | Laurenzio Ciolan | 13 | Northampton | 43.08 |
| 7 | 7 | Zachary James Fraser | 13 | Wellingboro | 45.18 |
| 8 | 8 | Bradley Hoddle-Smith | 13 | Daventry | 47.02 |