| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Kaiden Welsby | 16 | Stockport Mo | 51.62 |
| 1 | 2 | Adam Graham | 16 | Millfield | 51.39 |
| 2 | 3 | Nicholas Rutherfoord | 16 | HA Dubai | 51.25 |
| 3 | 4 | Tyler Melbourne-Smith | 16 | Co Liverpool | 50.61 |
| 4 | 5 | Jacob Whibley | 16 | Plymouth Lea | 50.14 |
| 5 | 6 | R Rowbotham-Keating | 16 | Co Manch Aq | 50.45 |
| 6 | 7 | Rafael Fente-Damers | 15 | Elmbridge | 51.12 |
| 7 | 8 | George Snow | 15 | Portsmouth N | 51.39 |
| 8 | 9 | Matthew Baker | 15 | West Suffolk | 51.44 |
| 9 | 10 | Harry Wynne-Jones | 16 | Co Milton K | 51.66 |