EVENT 101 Female 09 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Esme EVANS | 12 | Grantham | |
| 2 | 2 | Emmeline GLEAVE | 11 | Grantham | 7:10.54 |
| 3 | 3 | Ella KHAMA | 12 | Grantham | 6:46.82 |
| 4 | 4 | Ruby TALKES | 10 | Grantham | 6:22.64 |
| 5 | 5 | Hollie-Ann CROOK | 12 | Grantham | 6:19.17 |
| 6 | 6 | Honey FLOWER | 12 | Grantham | 6:14.00 |
| 7 | 7 | Isabelle CLAYTON | 14 | Grantham | 6:09.72 |
| 8 | 8 | Lucy ABBOTT | 14 | Grantham | 6:05.22 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Lizzy LERESCHE HANDS | 15 | Grantham | 5:40.12 |
| 2 | 12 | Lucy WILLATTS | 15 | Grantham | 5:24.20 |
| 3 | 14 | Chloe HOPKINSON | 21 | Grantham | 5:07.44 |
| 4 | 16 | Grace MACDONALD | 17 | Grantham | 5:01.59 |
| 5 | 15 | Grace TURNER | 19 | Grantham | 5:04.55 |
| 6 | 13 | Emily TALKES | 14 | Grantham | 5:20.38 |
| 7 | 11 | Amy TAYLOR | 15 | Grantham | 5:35.47 |
| 8 | 9 | Ellena HOWITT | 15 | Grantham | 5:48.85 |