EVENT 118 Open/Male 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Finlay JONES | 10 | Fearnville 8 | 1:25.49 |
| 2 | 4 | Sam WEST | 9 | Smeaton 8 | 1:20.00 |
| 3 | 6 | Nicholas DASHINSKY | 10 | Fearnville 8 | 1:14.06 |
| 4 | 8 | Finley BROOKES | 12 | Pudsey 8 | 1:13.00 |
| 5 | 7 | Dylan MORRISROE | 10 | Smeaton 8 | 1:14.00 |
| 6 | 5 | Seb BLOOMFIELD | 10 | Scott Hall 8 | 1:20.00 |
| 7 | 3 | Henry MUNRO | 10 | Scott Hall 8 | 1:20.00 |
| 8 | 1 | Thomas PICKARD | 10 | Smeaton 8 | 1:26.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 10 | Arthur WARING | 10 | Holt Park 8 | 1:10.43 |
| 1 | 12 | Oscar DARK | 9 | Scott Hall 8 | 1:09.44 |
| 2 | 14 | Harry FREE | 12 | Morley 8 | 1:05.00 |
| 3 | 16 | Nichloas MEAKIN | 12 | Aire 8 | 1:03.89 |
| 4 | 18 | Jacob DOLBY | 12 | Pudsey 8 | 1:00.00 |
| 5 | 17 | Tommy O'CONNELL | 12 | Aire 8 | 1:00.12 |
| 6 | 15 | Max COATES-STATECZNY | 12 | Kirkstall 8 | 1:05.00 |
| 7 | 13 | Ryan DRINKALL | 9 | JCCS 8 | 1:09.04 |
| 8 | 11 | Ethan WRIGHT | 10 | Smeaton 8 | 1:10.00 |
| 9 | 9 | Rex WALMSLEY | 9 | Scott Hall 8 | 1:12.75 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 20 | Joseph WOUTERS | 11 | Holt Park 8 | 59.00 |
| 1 | 22 | Christian SUTCLIFFE | 12 | Scott Hall 8 | 58.93 |
| 2 | 24 | Atticus KHAN | 11 | Scott Hall 8 | 55.61 |
| 3 | 26 | Leo CHEN | 10 | Holt Park 8 | 54.16 |
| 4 | 28 | Theo BEARDSMORE | 12 | Scott Hall 8 | 52.56 |
| 5 | 27 | Henry GREAVES | 12 | Aire 8 | 53.28 |
| 6 | 25 | Wai Lok CHAN | 12 | Morley 8 | 55.38 |
| 7 | 23 | Elliott HICKS | 11 | JCCS 8 | 56.39 |
| 8 | 21 | Marcus PICKARD | 10 | Morley 8 | 59.00 |
| 9 | 19 | Harry RIDER | 11 | JCCS 8 | 59.17 |