EVENT 303 Mixed 08 Yrs/Over 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Sophia Fjora Maevel Ma | 12 | Warrington W | |
| 2 | 3 | George Wood | 11 | Warrington W | |
| 3 | 5 | Havana Worsley | 11 | Warrington W | |
| 4 | 7 | Ava-Kay Whitfield | 11 | Warrington W | |
| 5 | 6 | Yumi Lam | 12 | Warrington W | |
| 6 | 4 | Freya Jobes | 11 | Warrington W | |
| 7 | 2 | Sophia Booth | 12 | Warrington W | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Horia Constantin Mazni | 12 | Warrington W | |
| 2 | 11 | Miciah Thornton | 12 | Warrington W | |
| 3 | 13 | Ryan Karwa | 10 | Warrington W | 3:37.27 |
| 4 | 15 | Larry Donlan | 11 | Warrington W | 3:22.40 |
| 5 | 14 | Winky Lam | 13 | Warrington W | 3:34.26 |
| 6 | 12 | Harry Glover | 12 | Warrington W | 3:42.38 |
| 7 | 10 | Yannie Lam | 10 | Warrington W | |
| 8 | 8 | Evelina Pakhucha | 11 | Warrington W | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Luna Maxwell | 11 | Warrington W | 3:14.44 |
| 2 | 19 | Jake Featherstone | 13 | Warrington W | 3:08.43 |
| 3 | 21 | Lily-Mae Wightman | 12 | Warrington W | 2:56.65 |
| 4 | 23 | Florence Simcock | 16 | Warrington W | 2:33.39 |
| 5 | 22 | Esmie Wiles | 14 | Warrington W | 2:45.34 |
| 6 | 20 | Gwyneth Ng | 13 | Warrington W | 3:07.62 |
| 7 | 18 | Sebastian Randle | 11 | Warrington W | 3:08.73 |
| 8 | 16 | Zachary Gawronek | 13 | Warrington W | 3:15.20 |