| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Ryan Doyle | 12 | Kettering | 50.74 |
| 3 | 3 | Jack Webb | 12 | Wellingboro | 50.02 |
| 4 | 4 | Jakub Siedlak | 12 | Corby | 45.49 |
| 5 | 5 | Kushal Mistry | 12 | Northampton | 49.70 |
| 6 | 6 | Daniel Mustata | 12 | Corby | 50.06 |
| 7 | 7 | Owen Hemmings-Kneller | 12 | Wellingboro | 51.09 |