| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Oliver Kettle | 14 | Portsmouth N | 29.68 |
| 1 | 2 | Levin Veale | 24 | Totnes | 29.03 |
| 2 | 3 | Samuel Goldrick | 20 | Oldham Aqua | 28.78 |
| 3 | 4 | Cameron Williams | 14 | Dartmoor DA | 28.61 |
| 4 | 5 | Robert Cowley | 21 | Co Manch Aq | 28.52 |
| 5 | 6 | Roman Scherer | 23 | Plymouth Lea | 28.58 |
| 6 | 7 | Dominic Holloway | 22 | Woking | 28.76 |
| 7 | 8 | Zdravko Bablakov | 16 | Bo Newham | 28.94 |
| 8 | 9 | Cameron Matthews | 18 | Hamilton UAE | 29.20 |
| 9 | 10 | William Ellington | 15 | Millfield | 29.78 |