EVENT 110 Boy Open 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Daniel RAWLINGS | 9 | Co Leeds | |
| 2 | 3 | George RICKETTS | 9 | Co Leeds | |
| 3 | 5 | Callum WOODS | 10 | Morley 8 | 1:20.00 |
| 4 | 7 | Muhammad RAZA | 10 | JCCS 8 | 1:16.35 |
| 5 | 6 | Jacob LILL | 10 | Morley 8 | 1:17.00 |
| 6 | 4 | Mustafa RAZA | 8 | JCCS 8 | 1:26.18 |
| 7 | 2 | James DEVERILL | 10 | Co Leeds | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Flynn DYSON | 10 | Morley 8 | 1:11.00 |
| 1 | 11 | Samuel WILKINSON | 10 | Co Leeds | 1:04.31 |
| 2 | 13 | Zach WHITTLESTON | 12 | Morley | 1:03.27 |
| 3 | 15 | Liam LI | 8 | Co Leeds | 1:02.65 |
| 4 | 17 | Ellis HARGREAVES | 10 | Co Leeds | 1:00.00 |
| 5 | 16 | Max HASWELL | 9 | Co Leeds | 1:02.25 |
| 6 | 14 | Jacob JONES | 10 | Rothwell 8 | 1:03.15 |
| 7 | 12 | Euan CARMODY | 9 | Co Leeds | 1:04.19 |
| 8 | 10 | Jacob DYER | 10 | Co Leeds | 1:05.88 |
| 9 | 8 | Justice FLETCHER | 12 | JCCS 8 | 1:13.06 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 19 | Oliver ATHA | 11 | Co Leeds | 1:00.00 |
| 1 | 21 | Jack SCHOFIELD | 11 | Aire 8 | 59.66 |
| 2 | 23 | Daniel HIRST | 11 | Kirkstall 8 | 56.27 |
| 3 | 25 | Harrison WAKE | 10 | Co Leeds | 54.23 |
| 4 | 27 | Oscar HUSSEY | 10 | Co Leeds | 50.80 |
| 5 | 26 | Alex CHRISTIE | 12 | Scott Hall 8 | 53.30 |
| 6 | 24 | Daniel BREEDON | 11 | Scott Hall 8 | 54.50 |
| 7 | 22 | Oliver MASKELL | 10 | Co Leeds | 57.20 |
| 8 | 20 | Charlie BRADLEY | 10 | Co Leeds | 1:00.00 |
| 9 | 18 | Barney HOBBS | 10 | Co Leeds | 1:00.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 29 | Jeffrey LANGE | 11 | Kirkstall 8 | 50.26 |
| 1 | 31 | James ANDREASEN | 12 | Co Leeds | 48.18 |
| 2 | 33 | Oliver BARKER | 9 | Co Leeds | 45.40 |
| 3 | 35 | William LANCASHIRE | 12 | Scott Hall 8 | 43.78 |
| 4 | 37 | Sebastian HUNTER | 12 | Co Leeds | 36.30 |
| 5 | 36 | Leo LI | 10 | Co Leeds | 41.70 |
| 6 | 34 | Tyler RAVEN | 9 | Co Leeds | 44.20 |
| 7 | 32 | Isaac WEEKS | 11 | Co Leeds | 47.75 |
| 8 | 30 | Harry DIXON | 9 | Co Leeds | 49.28 |
| 9 | 28 | Felix GILLILAND | 11 | Co Leeds | 50.62 |