EVENT 17 Boy 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Harry Read | 11 | Northall'ton | |
| 2 | 3 | Emanuel Hodgson | 15 | Thirsk WH | |
| 3 | 2 | Max Walker | 14 | Thirsk WH | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | James Wilkin | 14 | Northall'ton | 1.:17..0 |
| 2 | 5 | Jacob Wharton | 14 | Northall'ton | 1:42.08 |
| 3 | 4 | Alexander Margerson | 13 | Northall'ton | 1:45.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | James Wyllie | 15 | Northall'ton | 1:12.55 |
| 2 | 9 | Benjamin Dale-Wood | 13 | Thirsk WH | 1:07.08 |
| 3 | 8 | Archie Norton | 15 | Thirsk WH | 1:07.38 |
| 4 | 6 | William Dale-Wood | 12 | Thirsk WH | 1:14.34 |