| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lewis Hall | 12 | Buxton | |
| 2 | 3 | Ronan Woodward | 10 | Buxton | 54.02 |
| 3 | 5 | Frederick Frith | 9 | Buxton | 48.12 |
| 4 | 4 | Edward Aldred | 13 | Buxton | 48.59 |
| 5 | 2 | Elan Stead | 11 | Buxton | |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Arlo Crossfield | 13 | Buxton | 39.00 |
| 2 | 9 | James Garner | 13 | Buxton | 38.30 |
| 3 | 11 | Ryan Cornish | 18 | Buxton | 29.57 |
| 4 | 10 | Alistair Horne | 14 | Buxton | 35.80 |
| 5 | 8 | William Freeman | 15 | Buxton | 38.47 |
| 6 | 6 | Oscar Gould | 11 | Buxton | 44.18 |