| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 2 | 2 | Kian Saville | 22 | S10 | Daventry | 6:48.30 |
| 3 | 4 | Scott Hadley | 24 | S8 | B'hamMarlins | 5:18.13 |
| 4 | 6 | Amber Haycock | 15 | S10 | Rushden | 5:11.94 |
| 5 | 5 | Owen Johnson | 14 | S10 | Repton Swim | 5:14.99 |
| 6 | 3 | Jamie Markall | 19 | S8 | B'hamMarlins | 6:40.94 |
| 7 | 1 | Carys Rosser | 15 | S6 | Adwick | |