EVENT 308 Boy/Girl 09 /Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Elliott Anderson | 10 | Retford | 2:23.00 |
| 2 | 3 | Cobie Cross | 9 | Retford | 2:16.53 |
| 3 | 5 | Benjamin Heaton | 11 | Retford | 2:11.05 |
| 4 | 4 | Olivia Cross | 11 | Retford | 2:12.00 |
| 5 | 2 | Charlie Brancham | 10 | Retford | 2:23.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Isla Richards | 10 | Retford | 2:05.57 |
| 2 | 9 | Matthew Tate-Hill | 12 | Retford | 2:04.00 |
| 3 | 11 | Alfie Grounsell | 9 | Retford | 1:58.00 |
| 4 | 10 | Elise Tasker | 10 | Retford | 1:58.00 |
| 5 | 8 | Louisa Ward | 9 | Retford | 2:04.00 |
| 6 | 6 | Lilly Rayson | 11 | Retford | 2:06.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Lily Davison | 12 | Retford | 1:49.00 |
| 2 | 15 | Corey Heseltine | 10 | Retford | 1:46.00 |
| 3 | 17 | George Woodhead | 9 | Retford | 1:44.66 |
| 4 | 16 | Jake Holliday | 11 | Retford | 1:44.88 |
| 5 | 14 | Mia Richards | 13 | Retford | 1:48.32 |
| 6 | 12 | Xander Arbon | 11 | Retford | 1:55.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Emily Goodacre | 10 | Retford | 1:44.59 |
| 2 | 21 | Amelia Arbon | 13 | Retford | 1:40.64 |
| 3 | 23 | Hannah Webb | 12 | Retford | 1:30.59 |
| 4 | 22 | George Venables | 13 | Retford | 1:40.00 |
| 5 | 20 | Owen Thomas | 11 | Retford | 1:44.00 |
| 6 | 18 | Robert Alcock | 12 | Retford | 1:44.60 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Bronte Easey | 10 | Retford | 1:30.00 |
| 2 | 27 | Charlotte Clements | 12 | Retford | 1:27.66 |
| 3 | 29 | Isobelle Rafferty | 11 | Retford | 1:23.50 |
| 4 | 28 | Noah Dewsnap | 11 | Retford | 1:26.00 |
| 5 | 26 | Isla Stockley | 10 | Retford | 1:28.63 |
| 6 | 24 | Grace Holtom | 15 | Retford | 1:30.22 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | Thomas Collins | 12 | Retford | 1:22.67 |
| 2 | 33 | Francesca Richards | 14 | Retford | 1:21.34 |
| 3 | 35 | Imogen Howitt | 10 | Retford | 1:16.71 |
| 4 | 34 | Emily Webb | 13 | Retford | 1:19.21 |
| 5 | 32 | Iona Watson | 13 | Retford | 1:21.76 |
| 6 | 30 | Reuben Meadows | 12 | Retford | 1:23.10 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Seth Hinitt | 16 | Retford | 1:10.37 |
| 2 | 39 | Harry Brancham | 16 | Retford | 1:08.94 |
| 3 | 41 | Cillian McGuinness | 17 | Retford | 1:02.64 |
| 4 | 40 | Amelia Stevenson | 17 | Retford | 1:05.77 |
| 5 | 38 | Ruby Credland | 15 | Retford | 1:09.05 |
| 6 | 36 | Neve Ping | 14 | Retford | 1:12.00 |