| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lucas BOND | 11 | Orpington OJ | 48.77 |
| 2 | 2 | Jake MOK | 11 | White Oak | 47.09 |
| 3 | 3 | Charlie BRAID | 11 | Gwich Royals | 46.18 |
| 4 | 4 | Hayden SANDERS | 11 | Gwich Royals | 42.74 |
| 5 | 5 | Arthur DRIVER | 11 | Beckenham | 43.75 |
| 6 | 6 | Dominic WATERTON | 11 | Tonbridge | 46.27 |
| 7 | 7 | Thomas DE CRUZ | 10 | Beckenham | 47.52 |
| 8 | 8 | Oliver CARR | 11 | Maidstone SC | 49.06 |