| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Aiden Symons-Brown | 14 | Devonport | 24.35 |
| 1 | 2 | Sam Townsend | 14 | C Beds SS | 24.29 |
| 2 | 3 | Jamie Hanss | 15 | Co Milton K | 24.08 |
| 3 | 4 | Jacob Whittle | 14 | Derventio | 23.45 |
| 4 | 5 | David Thompson | 25 | Bangor IRL | 22.29 |
| 5 | 6 | Curtis Coulter | 24 | Bangor IRL | 22.91 |
| 6 | 7 | Ned Sharp | 15 | Skipton | 23.69 |
| 7 | 8 | Brinley Dorrell | 15 | Woking | 24.20 |
| 8 | 9 | Joseph Sadler | 15 | Nova Cent'n | 24.35 |