| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Noah ENTICKNAP | 12 | White Oak | 41.32 |
| 2 | 2 | Jaedon LYNCH | 12 | Dartford | 40.77 |
| 3 | 3 | Keane CEPEDA | 12 | Dartford | 40.66 |
| 4 | 4 | Sebastian PICKERING | 12 | Bromley | 38.59 |
| 5 | 5 | Callum WOOLFENDEN | 12 | Bexley | 40.35 |
| 6 | 6 | Oliver HAMILTON | 12 | Sevenoaks | 40.69 |
| 7 | 7 | Ryan RABHI | 12 | RTW Monson | 40.85 |
| 8 | 8 | Max FORDYCE | 12 | Faversham | 41.41 |