| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Kiki Sanders | 11 | DunmowAtlant | 48.14 |
| 2 | 3 | Henry Roylance | 11 | Canvey Isl | 47.08 |
| 3 | 4 | Patrick McGee | 11 | Brentwood | 44.99 |
| 4 | 5 | Jordan Djukanov | 11 | Bo Newham | 42.22 |
| 5 | 6 | Phillip Stanescu | 11 | Bark & Dagen | 44.32 |
| 6 | 7 | B Symington-Smith | 11 | Halstead | 45.42 |
| 7 | 8 | Henry Moore | 11 | Chelmsford | 47.45 |
| 8 | 9 | William Clements | 11 | Canvey Isl | 48.33 |