| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Elan Stead | 11 | Buxton | |
| 3 | 3 | Ronan Woodward | 10 | Buxton | 53.60 |
| 4 | 2 | Frederick Frith | 9 | Buxton | 54.83 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Oscar Gould | 11 | Buxton | 45.99 |
| 2 | 7 | William Freeman | 15 | Buxton | 37.23 |
| 3 | 9 | Alistair Horne | 14 | Buxton | 31.51 |
| 4 | 8 | James Garner | 13 | Buxton | 36.22 |
| 5 | 6 | Arlo Crossfield | 13 | Buxton | 39.25 |
| 6 | 4 | Kyle De La Bertouche | 12 | Buxton | 48.44 |