EVENT 604 Mens MC 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 8 | Craig McNeil | 18 | S10 | SwimTrafford | 1:11.18 |
| 4 | 12 | Jamie Warriner | 16 | S10 | Preston | 1:08.61 |
| 5 | 10 | Luke Reeson | 28 | S9 | Cockermouth | 1:09.70 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 2 | Matthew Rishworth | 13 | S10 | Staines | 1:23.03 |
| 1 | 4 | Liam Walsh | 16 | S8 | Co Newport | 1:19.63 |
| 2 | 6 | Aaron Maddox | 18 | S8 | Ealing | 1:16.13 |
| 3 | 9 | James Pout | 19 | S8 | Prescot | 1:11.71 |
| 4 | 13 | Jack Bridge | 21 | S10 | Preston | 1:05.93 |
| 5 | 11 | Benjamin Foulston | 15 | S10 | Nova Cent'n | 1:08.56 |
| 6 | 7 | Daniel Bennett | 19 | S8 | Gloucester | 1:14.15 |
| 7 | 5 | Jaxon Simmons | 15 | S13 | Co Peterboro | 1:14.61 |
| 8 | 3 | Tom Piggott | 15 | S10 | Shrewsbury | 1:15.16 |
| 9 | 1 | Finlay Middleton | 13 | S8 | Stowmarket | 1:28.26 |