EVENT 101 Female 12 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Kaylyn PRIOR | 12 | Corby | 7:30.01 |
| 2 | 3 | Arabella Meintsma | 13 | Co Milton K | 6:21.47 |
| 3 | 5 | Anya Wood | 16 | Pershore | 5:55.69 |
| 4 | 7 | Anna Gardiner | 14 | Co Coventry | 5:53.85 |
| 5 | 6 | Annabelle Sains | 13 | Co Milton K | 5:54.27 |
| 6 | 4 | Poppy Barker | 12 | Pershore | 6:00.24 |
| 7 | 2 | Bella GIPSON | 13 | Corby | 7:12.01 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Isabel Brownson | 14 | Co Coventry | 5:45.61 |
| 2 | 11 | Eva GALLAGHER | 16 | Corby | 5:34.15 |
| 3 | 13 | Lyra Tovey | 14 | Mt Kelly | 5:29.70 |
| 4 | 15 | Poppy Morris | 14 | Co Milton K | 5:20.04 |
| 5 | 14 | Lucy Buck | 16 | Co Milton K | 5:27.28 |
| 6 | 12 | Isabel Plummer | 15 | Derby Excel | 5:32.95 |
| 7 | 10 | Yaochen Jin | 13 | Nuneaton | 5:44.08 |
| 8 | 8 | Charlotte Ellis | 15 | Daventry | 5:48.59 |