EVENT 406 Mens Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 3 | Adam Fawl | 94 | Loughboro Un | 55.97 |
| 2 | 9 | Daniel Scott | 90 | Co Glasgow | 55.19 |
| 3 | 15 | S Van De Schootbrugge | 93 | Nova Cent'n | 54.48 |
| 4 | 21 | Adam Barrett | 92 | Loughboro Un | 53.03 |
| 5 | 18 | Sam Horrocks | 94 | Co Manch Aq | 53.97 |
| 6 | 12 | James Doolan | 90 | Loughboro Un | 54.74 |
| 7 | 6 | Liam Selby | 92 | Stockport Mo | 55.35 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 4 | Martin Bleaken | 93 | S Bournem'th | 55.93 |
| 2 | 10 | Eamon Rivers | 92 | Bath Univ | 54.85 |
| 3 | 16 | Harry Needs | 92 | Stockport Mo | 54.20 |
| 4 | 22 | Michael Rock | 87 | Co Liverpool | 52.56 |
| 5 | 19 | Thomas Laxton | 89 | Loughboro Un | 53.37 |
| 6 | 13 | Cameron Brodie | 92 | UniOfStirl | 54.73 |
| 7 | 7 | Ryan Flanagan | 94 | Co Leeds | 55.33 |
| 8 | 1 | Luke Buxton | 95 | RichmondDale | 56.15 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 5 | Adam Mallett | 89 | Swansea Uni | 55.90 |
| 2 | 11 | Jamie Thorpe | 92 | Leic Peng | 54.82 |
| 3 | 17 | Braxston Timm | 92 | Co Sheffield | 54.06 |
| 4 | 23 | Antony James | 89 | Plymouth Lea | 52.46 |
| 5 | 20 | Joseph Roebuck | 85 | Bath Univ | 53.07 |
| 6 | 14 | Mark Szaranek | 95 | Carnegie | 54.50 |
| 7 | 8 | Michael Gunning | 94 | Beckenham | 55.20 |
| 8 | 2 | Sean Campsie | 94 | Warrender Ba | 56.02 |