EVENT 406 Open/Male 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Toby BIGWOOD | 9 | Blackburn | 4:10.60 |
| 1 | 4 | George BEILBY-WOODWARD | 10 | Co Leeds | 3:45.00 |
| 2 | 6 | James TRETHOWAN | 11 | Borocuda T | 3:40.00 |
| 3 | 8 | Thomas OWENS | 11 | Leyland Barr | 3:20.80 |
| 4 | 10 | Euan CARMODY | 11 | Co Leeds | 3:07.60 |
| 5 | 9 | David GRIGORE | 11 | Co Leeds | 3:20.00 |
| 6 | 7 | Daniel RAWLINGS | 11 | Co Leeds | 3:30.00 |
| 7 | 5 | Zac PHILLIPS | 10 | Co Leeds | 3:40.59 |
| 8 | 3 | Callum YOUNG | 9 | Co Leeds | 3:45.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Oliver BARKER | 11 | Co Leeds | 2:56.97 |
| 1 | 14 | Alfie CRAGGS | 13 | Co Leeds | 2:45.58 |
| 2 | 16 | Oliver ATHA | 13 | Co Leeds | 2:39.80 |
| 3 | 18 | Leo LI | 12 | Co Leeds | 2:35.94 |
| 4 | 20 | William DUNN | 13 | Co Leeds | 2:34.60 |
| 5 | 19 | Jeffrey LANGE | 13 | Co Leeds | 2:35.60 |
| 6 | 17 | Angus YOUNG | 13 | Co Leeds | 2:36.79 |
| 7 | 15 | Oscar O'DONNELL | 12 | Co Leeds | 2:43.17 |
| 8 | 13 | Callum FOZARD | 13 | Co Leeds | 2:46.09 |
| 9 | 11 | Harrison WAKE | 12 | Co Leeds | 2:57.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 22 | Jackson CLARKE | 14 | Co Leeds | 2:30.40 |
| 1 | 24 | Callum RAVEN | 16 | Co Leeds | 2:26.60 |
| 2 | 26 | Owen CARMODY | 14 | Co Leeds | 2:22.83 |
| 3 | 28 | Samuel HILL | 15 | Co Leeds | 2:16.10 |
| 4 | 30 | Matthew JAMES | 16 | Co Leeds | 2:14.00 |
| 5 | 29 | Matthew JUST | 16 | Co Leeds | 2:14.80 |
| 6 | 27 | Luke DYER | 17 | Co Leeds | 2:22.36 |
| 7 | 25 | William LANCASHIRE | 14 | Co Leeds | 2:25.59 |
| 8 | 23 | Connor MCCULLEN | 14 | Co Leeds | 2:30.07 |
| 9 | 21 | Oliver JOHNSON | 13 | RichmondDale | 2:33.00 |