EVENT 404 Open/Male 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Rumi JEEVA | 10 | Co Leeds | 4:01.60 |
| 2 | 4 | Rayan AL-SAJIR | 10 | Co Leeds | 3:45.00 |
| 3 | 6 | Fraser GALBRAITH | 11 | Co Leeds | 3:30.31 |
| 4 | 8 | Callum YOUNG | 10 | Co Leeds | 3:25.27 |
| 5 | 7 | Noah FLETCHER | 10 | Chester Le S | 3:30.00 |
| 6 | 5 | George BEILBY-WOODWARD | 12 | Co Leeds | 3:41.80 |
| 7 | 3 | Andre Nicholas ROTARU | 10 | Co Leeds | 3:46.10 |
| 8 | 1 | Dexter ROWLANDS | 11 | Co Leeds | 4:09.97 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 10 | Misha PROSYANKIN | 12 | Camden Swiss | 3:13.82 |
| 1 | 12 | David MCINTOSH | 9 | Co Leeds | 3:10.50 |
| 2 | 14 | Liam COHEN | 11 | Camden Swiss | 3:05.90 |
| 3 | 16 | Kaloyan NEDYALKOV | 14 | Workington | 2:44.60 |
| 4 | 18 | Jeffrey LANGE | 14 | Co Leeds | 2:26.72 |
| 5 | 17 | Joshua WHITTON | 15 | Chester Le S | 2:28.50 |
| 6 | 15 | Tyler CARR | 14 | Chester Le S | 2:55.50 |
| 7 | 13 | Daniel BRIL | 9 | Camden Swiss | 3:08.10 |
| 8 | 11 | Daniel RAWLINGS | 12 | Co Leeds | 3:10.52 |
| 9 | 9 | Asher WHITE | 12 | Camden Swiss | 3:15.70 |