EVENT 302 Open/Male 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Finn Lloyd | 12 | Northgate | 1:49.45 |
| 3 | 3 | Fletcher Harrison | 12 | Northgate | 1:44.69 |
| 4 | 5 | Harry Wain | 13 | Northgate | 1:44.44 |
| 5 | 4 | William Padmore | 13 | Northgate | 1:44.62 |
| 6 | 2 | Logan Porter | 11 | Wrekin SC | 1:48.66 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Alexander Lambert | 11 | Market Dray | 1:41.30 |
| 2 | 9 | Zach Duncombe | 14 | Wellington M | 1:38.98 |
| 3 | 11 | Elliot Incles | 14 | Oswestry Ott | 1:38.05 |
| 4 | 13 | Henley Birch | 11 | Wellington M | 1:33.98 |
| 5 | 12 | Samuel Dutton | 13 | Market Dray | 1:34.00 |
| 6 | 10 | Jack Sedgley | 14 | TelfordAqua | 1:38.16 |
| 7 | 8 | George Luty | 13 | Market Dray | 1:40.97 |
| 8 | 6 | Luca Johnson | 12 | Wellington M | 1:42.75 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Oliver Regan | 14 | Wrekin SC | 1:33.35 |
| 2 | 17 | Sebastien De Vere | 13 | Wrekin SC | 1:25.17 |
| 3 | 19 | Oliver Hope | 14 | TelfordAqua | 1:23.72 |
| 4 | 21 | Adam Rahati | 13 | Wrekin SC | 1:21.16 |
| 5 | 20 | George Simpson | 14 | Market Dray | 1:21.82 |
| 6 | 18 | Alex Gorman | 15 | Wellington M | 1:23.77 |
| 7 | 16 | James Hollingworth | 12 | Market Dray | 1:30.73 |
| 8 | 14 | Alessio Lucas | 12 | Wrekin SC | 1:33.42 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Dylan Thompson | 15 | Wrekin SC | 1:17.13 |
| 2 | 32 | Owen Griffiths | 16 | Wellington M | 1:09.10 |
| 3 | 38 | Alfie Berry | 18 | Northgate | 1:06.59 |
| 4 | 45 | Oscar Spence | 17 | Wrekin SC | 1:02.76 |
| 5 | 42 | D Guerrero | 16 | EllesmereCSA | 1:05.78 |
| 6 | 35 | Jarrod Care | 17 | Wrekin SC | 1:07.47 |
| 7 | 28 | Connor Simpson | 16 | Market Dray | 1:15.84 |
| 8 | 22 | Jack Cook | 15 | Northgate | 1:19.63 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | Nethula Subasinghe | 16 | Wellington M | 1:17.00 |
| 2 | 33 | Dewi Arch | 17 | Northgate | 1:08.89 |
| 3 | 39 | Alfie Lewis-Coxill | 17 | Oswestry Ott | 1:06.59 |
| 4 | 46 | Guy Stovin | 18 | Oswestry Ott | 1:01.90 |
| 5 | 43 | Daniel Booth | 17 | Shrewsbury | 1:05.71 |
| 6 | 36 | Elliott Pabla | 17 | Northgate | 1:07.37 |
| 7 | 29 | Rory Yarnley | 13 | Northgate | 1:15.12 |
| 8 | 23 | Noah Das | 14 | Oswestry Ott | 1:18.79 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | William Carpenter | 16 | Wellington M | 1:16.27 |
| 2 | 34 | Cameron Whiles | 20 | Newport | 1:07.50 |
| 3 | 40 | Tom Ammundsen | 16 | Market Dray | 1:06.47 |
| 4 | 48 | Harry Halligan | 20 | Oswestry Ott | 1:00.20 |
| 5 | 44 | Hugh Gemmill | 17 | Wrekin SC | 1:05.31 |
| 6 | 37 | Sam Good | 15 | Wrekin SC | 1:06.71 |
| 7 | 30 | Oliver Birtwistle | 16 | Wrekin SC | 1:11.11 |
| 8 | 24 | Charlie Scollard-Kerr | 15 | Wrekin SC | 1:17.91 |