| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Brodie Gordon-Gibson | 18 | Warrender Ba | 52.70 |
| 1 | 2 | Harley James | 18 | Co Cardiff | 52.53 |
| 2 | 3 | Oliver Watts | 18 | Team Bath AS | 52.11 |
| 3 | 4 | Arun Oelkers | 18 | Mt Kelly | 51.22 |
| 4 | 5 | Jake Gaunt | 18 | Soundwell | 50.79 |
| 5 | 6 | R Rowbotham-Keating | 18 | Co Manch Aq | 51.22 |
| 6 | 7 | Finlay Clubb | 18 | Aberdeen Dol | 52.04 |
| 7 | 8 | Maxwell Adams | 18 | Team Bath AS | 52.39 |
| 8 | 9 | Kaiden Welsby | 18 | Stockport Mo | 52.66 |
| 9 | 10 | Oliver Dade | 18 | Gloucester | 53.02 |