EVENT 304 Men Open 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 6 | Evan JONES | 17 | | Millfield | 26.32 |
| 4 | 10 | Lewis FRASER | 21 | | Swansea Uni | 23.98 |
| 5 | 8 | Stephen CLEGG | 26 | S12 | Edinburgh Un | 25.31 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 2 | Jack MILNE | 20 | S14 | Dun City Aqu | 27.24 |
| 2 | 4 | Michael GUNNING | 27 | | Stockport Mo | 26.33 |
| 3 | 7 | Mark FORD | 18 | | Co Glasgow | 26.11 |
| 4 | 11 | Jacob PETERS | 21 | | Bath Univ | 23.65 |
| 5 | 9 | Reece DUNN | 26 | S14 | Plymouth Lea | 25.05 |
| 6 | 5 | Ruairi MCKINNON | 17 | | Co Glasgow | 26.32 |
| 7 | 3 | Jordan CATCHPOLE | 22 | S14 | Team Waveney | 27.17 |
| 8 | 1 | Andrew MULLEN | 25 | S5 | Co Glasgow | 38.37 |