EVENT 404 Boys Open 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Aidan ROMAGNOLI | 11 | Trafford Met | 4:14.36 |
| 3 | 2 | Oliver WHITTLESTON | 10 | Co Leeds | 3:55.00 |
| 4 | 3 | Evan CAI | 11 | Co Wakefield | 3:36.33 |
| 5 | 4 | Samuel EMMETT | 12 | Co Leeds | 3:16.34 |
| 6 | 5 | Ben DIGBY | 13 | Tadcaster | 3:11.25 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 7 | Charlie BROOME | 13 | Co Leeds | 2:59.70 |
| 1 | 9 | Dominic MATHIAS | 12 | Co Leeds | 2:54.41 |
| 2 | 11 | Elliott WATKINS | 12 | Co Leeds | 2:44.51 |
| 3 | 13 | Jack CLIFFORD | 15 | Kippax | 2:40.30 |
| 4 | 15 | Robbie ABBOTT | 15 | Halifax | 2:29.12 |
| 5 | 14 | Ben SHELTON | 13 | Co Leeds | 2:29.50 |
| 6 | 12 | Emilio PANIAGUA-GUTIER | 13 | Co Leeds | 2:43.00 |
| 7 | 10 | Louis AINLEY | 13 | Co Leeds | 2:52.60 |
| 8 | 8 | Rhys RIDDIFORD | 12 | Co Leeds | 2:55.39 |
| 9 | 6 | George KNOWLES | 12 | Co Leeds | 3:08.98 |