EVENT 303 Mens MC 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 1 | Josh Coomer | 12 | S6 | Dover Life | 1:14.57 |
| 4 | 3 | Levi Codling | 12 | S7 | Coalville | 54.22 |
| 5 | 2 | Sebastian Williams | 12 | S6 | London Dis | 1:10.14 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 4 | Leo McCrea | 13 | S6 | Bourmth Coll | 51.67 |
| 2 | 6 | Matthew Harding | 17 | S6 | Wirral Metro | 41.21 |
| 3 | 8 | W Holland-Leavens | 26 | S6 | Co Salford | 38.32 |
| 4 | 10 | Alexander Goodman | 25 | S7 | Portsmouth N | 36.14 |
| 5 | 9 | Andrew Mullen | 20 | S5 | Ren 96 | 36.32 |
| 6 | 7 | Grant Taylor | 22 | S6 | Cockermouth | 40.79 |
| 7 | 5 | William Perry | 16 | S6 | Northampton | 45.56 |