Not Competing : 2,4,5
| Heat Number - 1 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 2 | 1 | Alex JOHNSON | 18 | SB4 | WMDSS | 4:22.97 |
| 3 | 3 | Maisie SUMMERS NEWTON | 11 | SB6 | Wellingboro | 2:28.43 |
| 4 | 6 | Hayley MILNE | 14 | SB7 | Grantham | 2:00.79 |
| Heat Number - 2 | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 7 | ROBIN SURGEONER | 40 | SB5 | WMDSS | 2:00.00 |
| 2 | 8 | Lily MACLEOD | 11 | SB12 | RichmondDale | 1:45.00 |
| 3 | 9 | Callum ROWCLIFFE | 13 | SB1 | Exmouth | 1:43.57 |
| 4 | 10 | Hasna HAKIM | 14 | SB9 | WMDSS | 1:35.53 |
| 5 | 11 | Luke MANSELL | 19 | SB14 | Nova Cent'n | 1:32.75 |