| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Harry Robinson | 18 | Mt Kelly | 50.41 |
| 1 | 2 | Jake Gaunt | 17 | Soundwell | 50.29 |
| 2 | 3 | George Snow | 16 | Millfield | 50.07 |
| 3 | 4 | Liam Dawson | 17 | Derventio | 49.99 |
| 4 | 5 | Jake Hutchinson | 16 | Co Leicester | 49.85 |
| 5 | 6 | Aiden Symons-Brown | 18 | Bath Univ | 49.96 |
| 6 | 7 | Solomon Williams | 17 | Millfield | 50.01 |
| 7 | 8 | Jacob Whibley | 17 | Repton | 50.12 |
| 8 | 9 | Nicholas Finch | 16 | Chelsea&West | 50.39 |
| 9 | 10 | Jacob Mills | 15 | Co Leicester | 50.51 |