| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Noah Patterson | 10 | Wellingboro | 54.84 |
| 2 | 2 | Alexander Stevenson | 11 | Nene Valley | 52.48 |
| 3 | 3 | Rahul Reedha | 10 | Corby | 48.57 |
| 4 | 4 | Jack Tindle | 11 | Northampton | 47.57 |
| 5 | 5 | James Oscroft | 10 | Northampton | 47.79 |
| 6 | 6 | Percy Green | 10 | Nene Valley | 51.22 |
| 7 | 7 | Oscar Venn | 11 | Northampton | 54.67 |
| 8 | 8 | Stanley French | 10 | Daventry | 55.66 |