| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Tilly COLLINS | 8 | Wigan | |
| 4 | 3 | Olivia PRESCOTT | 8 | Ather & Leig | 32.91 |
| 5 | 2 | Laurel CAREY | 8 | Ather & Leig | 33.23 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Alexa CHAN | 8 | Howe Bridge | 29.65 |
| 2 | 7 | Mia HAYES | 8 | Ather & Leig | 29.11 |
| 3 | 9 | Niamh MUSSELL | 8 | Wigan | 29.00 |
| 4 | 11 | Evie CUTTER | 8 | Wigan | 25.72 |
| 5 | 10 | Ennea CHISNALL | 8 | Ashton Cent | 25.98 |
| 6 | 8 | Lauren WATSON | 8 | Wigan | 29.00 |
| 7 | 6 | Poppy WALLIS | 8 | Howe Bridge | 29.53 |
| 8 | 4 | Megan MCLEISH | 8 | Ather & Leig | 31.75 |