| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | William Davies | 15 | Swindon Dolp | 58.84 |
| 1 | 2 | Jacob Gibbons | 15 | Mt Kelly | 58.60 |
| 2 | 3 | James Watson | 15 | Swindon Dolp | 57.63 |
| 3 | 4 | Matthew Collins | 15 | S Bournem'th | 57.42 |
| 4 | 5 | Nicholas Laws | 15 | Millfield | 54.86 |
| 5 | 6 | Jacob Peters | 15 | Poole | 55.14 |
| 6 | 7 | Kye Adams | 15 | Co Bristol | 57.62 |
| 7 | 8 | Jack Tucker | 15 | Millfield | 57.65 |
| 8 | 9 | Finlay Smith | 15 | Clevedon | 58.67 |
| 9 | 10 | Henry Dixon | 15 | Aquae Sulis | 59.03 |