| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Hali Stevens | 11 | Corby | 44.33 |
| 2 | 2 | Dylan Lund | 10 | Wellingboro | 44.06 |
| 3 | 3 | Matas Reklys | 11 | Northampton | 43.38 |
| 4 | 4 | Alexander Hughes | 11 | Kettering | 41.09 |
| 5 | 5 | Dominic Obreja | 10 | Northampton | 43.32 |
| 6 | 6 | Joshua Daggett | 11 | Northampton | 43.43 |
| 7 | 7 | Ethan Maison | 11 | Corby | 44.23 |
| 8 | 8 | Thomas Henry Bailey | 11 | Daventry | 46.24 |