EVENT 301 Mixed 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | Ella Thrussell | 13 | | Oswestry Ott | |
| 2 | 3 | Phoebe Ellis | 11 | | Wrekin SC | 7:00.00 |
| 3 | 5 | Annabelle Austin | 13 | | Wellington M | 7:00.00 |
| 4 | 7 | Naomi Grant | 13 | | Wrekin SC | 6:50.70 |
| 5 | 6 | Logan Porter | 11 | | Wrekin SC | 6:59.90 |
| 6 | 4 | Rose Bayle | 11 | | Wrekin SC | 7:00.00 |
| 7 | 2 | Emily Barber | 13 | | Wellington M | 7:06.30 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 9 | Ryan Burnside | 13 | | Oswestry Ott | 6:33.00 |
| 2 | 11 | Elizabeth Hardy | 14 | | Oswestry Ott | 6:26.30 |
| 3 | 13 | Cerys Brook | 17 | | Oswestry Ott | 5:56.50 |
| 4 | 15 | Hugh Gemmill | 17 | | Wrekin SC | 5:06.60 |
| 5 | 14 | Lexi Roberts | 16 | | Oswestry Ott | 5:52.70 |
| 6 | 12 | Akaash Das | 17 | SM8 | Oswestry Ott | 6:10.60 |
| 7 | 10 | Jessica Brown | 13 | | Wellington M | 6:27.50 |
| 8 | 8 | Shan-Yi Tan | 13 | | Shrewsbury | 6:45.34 |