EVENT 101 Female 09 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Abigail TAYLOR | 12 | Grantham | |
| 4 | 2 | Norah GIBSON | 11 | Grantham | |
| 5 | 3 | Florence HARPER | 13 | Grantham | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Esmé EVANS | 12 | Grantham | |
| 2 | 5 | Honey FLOWER | 12 | Grantham | |
| 3 | 6 | Emmeline GLEAVE | 11 | Grantham | 7:10.54 |
| 4 | 7 | Madeline SURTEES | 14 | Grantham | 6:55.49 |
| 5 | 8 | Ella KHAMA | 12 | Grantham | 6:46.82 |
| 6 | 9 | Hollie-Ann CROOK | 12 | Grantham | 6:19.17 |
| 7 | 10 | Isabelle CLAYTON | 14 | Grantham | 6:09.72 |
| 8 | 11 | Lucy ABBOTT | 14 | Grantham | 6:05.22 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Lizzy LERESCHE HANDS | 15 | Grantham | 5:40.12 |
| 2 | 15 | Lucy WILLATTS | 15 | Grantham | 5:24.20 |
| 3 | 17 | Chloe HOPKINSON | 21 | Grantham | 5:07.44 |
| 4 | 19 | Grace MACDONALD | 17 | Grantham | 5:01.59 |
| 5 | 18 | Grace TURNER | 19 | Grantham | 5:04.55 |
| 6 | 16 | Emily TALKES | 14 | Grantham | 5:20.38 |
| 7 | 14 | Amy TAYLOR | 15 | Grantham | 5:35.47 |
| 8 | 12 | Ellena HOWITT | 15 | Grantham | 5:48.85 |