EVENT 101 Boy/Girl 09 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | George Woodhead | 10 | Retford | 7:00.00 |
| 2 | 4 | Isla Stockley | 11 | Retford | 6:22.95 |
| 3 | 6 | Noah Dewsnap | 12 | Retford | 6:03.48 |
| 4 | 5 | Thomas Collins | 13 | Retford | 6:04.00 |
| 5 | 3 | Poppy Goodacre | 13 | Retford | 6:25.00 |
| 6 | 1 | Alfie Grounsell | 10 | Retford | 7:00.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Iona Watson | 14 | Retford | 5:44.69 |
| 2 | 10 | C Butterell-Quanbrough | 13 | Retford | 5:30.99 |
| 3 | 12 | Harry Brancham | 17 | Retford | 5:01.60 |
| 4 | 11 | Samuel Green | 13 | Retford | 5:12.84 |
| 5 | 9 | Imogen Howitt | 11 | Retford | 5:39.76 |
| 6 | 7 | Isobelle Rafferty | 12 | Retford | 5:55.00 |