EVENT 203 Boy 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Alfie Grounsell | 10 | Retford | 1:48.53 |
| 2 | 2 | Matthew Man | 12 | Calv Bing | 1:37.65 |
| 3 | 3 | Ellis Millington | 11 | Sherwood | 1:33.18 |
| 4 | 4 | Justin Hallam | 13 | Calv Bing | 1:28.79 |
| 5 | 5 | Samuel Potter | 13 | Bircotes SC | 1:23.70 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Reuben Meadows | 13 | Retford | 1:22.78 |
| 2 | 7 | Ed Pearson | 11 | Io Man | 1:22.19 |
| 3 | 8 | Jacob Harness | 13 | Bircotes SC | 1:21.83 |
| 4 | 9 | Isaac Shaw | 16 | Newark | 1:17.14 |
| 5 | 10 | Thomas Collins | 13 | Retford | 1:14.08 |
| 6 | 11 | Sebastian Wilkinson | 18 | Bircotes SC | 1:13.93 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Lewis Hare | 14 | Calv Bing | 1:11.52 |
| 2 | 15 | Rishan Chuhan | 14 | Sherwood | 1:09.50 |
| 3 | 17 | Joshua Kettlewell | 16 | Retford | 1:04.81 |
| 4 | 16 | Samuel Green | 13 | Retford | 1:08.00 |
| 5 | 14 | C Butterell-Quanbrough | 13 | Retford | 1:11.40 |
| 6 | 12 | Noah Dewsnap | 12 | Retford | 1:11.80 |