EVENT 401 Girl 10 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Teagan Payne | 11 | Northampton | 7:01.83 |
| 3 | 2 | Winnie Mills | 15 | Northampton | 6:57.02 |
| 4 | 3 | Emma Graham-Brown | 13 | Co Leicester | 6:38.32 |
| 5 | 4 | Joanne Mitchell | 13 | Co Leicester | 6:24.84 |
| 6 | 5 | Amy McVey | 14 | Northampton | 6:22.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Sophie Hacker | 15 | Northampton | 6:10.85 |
| 2 | 9 | Macy Simmonds | 16 | Co Leicester | 5:40.88 |
| 3 | 11 | Anna Macpherson | 17 | Modernian | 5:33.25 |
| 4 | 13 | Georgina Munday | 18 | Modernian | 5:26.81 |
| 5 | 12 | Janie Finch | 12 | Co Leicester | 5:28.74 |
| 6 | 10 | Elizabeth Palfrey | 14 | Loughborough | 5:40.59 |
| 7 | 8 | Phebe Adams | 13 | Northampton | 6:08.46 |
| 8 | 6 | Isabella Di Pane | 14 | Northampton | 6:17.01 |