EVENT 303 Boy/Girl 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Amy Kirkby | 10 | Retford | 1:58.00 |
| 3 | 3 | Summer Woodcock | 9 | Retford | 1:50.00 |
| 4 | 4 | George Woodhead | 10 | Retford | 1:50.00 |
| 5 | 2 | Leila Marandi | 9 | Retford | 1:54.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Isla-Rose Wildish | 9 | Retford | 1:47.43 |
| 2 | 7 | Reid Hutchins | 9 | Retford | 1:42.10 |
| 3 | 9 | Starla Hope | 13 | Retford | 1:29.47 |
| 4 | 8 | Morgan Hope | 11 | Retford | 1:30.00 |
| 5 | 6 | Corey Heseltine | 11 | Retford | 1:46.73 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Iona Watson | 14 | Retford | 1:24.10 |
| 2 | 13 | Reuben Meadows | 13 | Retford | 1:18.61 |
| 3 | 15 | Thomas Collins | 13 | Retford | 1:14.08 |
| 4 | 14 | Lily Pashley | 12 | Retford | 1:18.42 |
| 5 | 12 | Isobelle Rafferty | 12 | Retford | 1:18.85 |
| 6 | 10 | Isla Stockley | 11 | Retford | 1:26.27 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Harry Brancham | 17 | Retford | 1:08.90 |
| 2 | 19 | Joshua Kettlewell | 16 | Retford | 1:05.77 |
| 3 | 21 | Callum Kettlewell | 19 | Retford | 57.95 |
| 4 | 20 | Layne Keyworth | 15 | Retford | 1:03.10 |
| 5 | 18 | Samuel Green | 13 | Retford | 1:08.00 |
| 6 | 16 | Imogen Howitt | 11 | Retford | 1:12.04 |