EVENT 303 Boy/Girl 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Thoedore Pearson | 9 | Retford | 2:17.00 |
| 3 | 3 | Alfie Grounsell | 9 | Retford | 2:17.00 |
| 4 | 2 | Alexander Clements | 9 | Retford | 2:17.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Samuel Limmer | 14 | Retford | 1:48.00 |
| 2 | 7 | Starla Hope | 12 | Retford | 1:40.69 |
| 3 | 9 | Corey Heseltine | 10 | Retford | 1:38.00 |
| 4 | 8 | Poppy Goodacre | 12 | Retford | 1:38.56 |
| 5 | 6 | Lily Davison | 12 | Retford | 1:47.00 |
| 6 | 4 | Jake Holliday | 11 | Retford | 1:48.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Reuben Meadows | 12 | Retford | 1:35.69 |
| 2 | 13 | Isobelle Rafferty | 11 | Retford | 1:29.72 |
| 3 | 15 | Charlotte Clements | 12 | Retford | 1:27.50 |
| 4 | 14 | Noah Dewsnap | 11 | Retford | 1:27.59 |
| 5 | 12 | Lily Pashley | 11 | Retford | 1:32.00 |
| 6 | 10 | Isla Stockley | 10 | Retford | 1:36.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Eva Chapman | 15 | Retford | 1:17.54 |
| 2 | 19 | Samuel Green | 12 | Retford | 1:13.60 |
| 3 | 21 | Freya Peace | 15 | Retford | 1:05.80 |
| 4 | 20 | Jennifer Walker | 14 | Retford | 1:09.76 |
| 5 | 18 | Owen Rafferty | 14 | Retford | 1:15.97 |
| 6 | 16 | Thomas Collins | 12 | Retford | 1:26.63 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Layne Keyworth | 14 | Retford | 1:04.51 |
| 2 | 25 | Cillian McGuinness | 17 | Retford | 59.70 |
| 3 | 27 | Harry Benzies | 17 | Retford | 58.20 |
| 4 | 26 | Callum Kettlewell | 18 | Retford | 58.30 |
| 5 | 24 | Malachy McGuinness | 19 | Retford | 1:00.53 |
| 6 | 22 | Joshua Kettlewell | 15 | Retford | 1:04.81 |