EVENT 212 Mens Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | William Sampson | 72 | Melton M'bry | 3:18.00 |
| 2 | 2 | David Hall | 75 | Witney | 1:59.00 |
| 3 | 3 | Paul Millington | 65 | Camphill Ed | 1:42.00 |
| 4 | 4 | Martyn Finney | 59 | Etwall | 1:23.37 |
| 5 | 5 | Stephen Weston | 62 | Gloucester M | 1:22.00 |
| 6 | 6 | Richard Hinsley | 32 | Lichfield | 1:20.03 |
| 7 | 7 | Mark Jones | 57 | Warrington M | 1:20.00 |
| 8 | 8 | Michael Wilks | 48 | Kenilworth M | 1:18.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 9 | Gary Bennell | 43 | Kidlington | 1:12.00 |
| 3 | 10 | Anthony Howland | 56 | Co Coventry | 1:12.00 |
| 4 | 11 | Graham Powell | 61 | Team Luton | 1:11.50 |
| 5 | 12 | David Clarke | 53 | Wrekin Coll | 1:10.84 |
| 6 | 13 | Phillip Burdes | 43 | Calv Bing | 1:10.56 |
| 7 | 14 | Clive Keay | 51 | Bilston | 1:09.05 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 15 | Steven Goodall | 52 | Chesterfield | 1:08.97 |
| 2 | 16 | Martin Nutter | 21 | Chesterfield | 1:06.01 |
| 3 | 17 | David Jardine | 41 | Bicester | 1:05.56 |
| 4 | 18 | David Gregg | 42 | Shrewsbury | 1:05.48 |
| 5 | 19 | Stephen Atherley | 51 | TigersJersey | 1:04.91 |
| 6 | 20 | Ian Wilkes | 50 | Loughborough | 1:04.50 |
| 7 | 21 | Matt Leach | 41 | Long Eaton | 1:04.43 |
| 8 | 22 | Harry Barnes | 19 | Coalville | 1:04.18 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 24 | Michael Stirzaker | 38 | Birmingham M | 1:02.50 |
| 2 | 26 | Michael Procter | 24 | Bicester | 1:01.39 |
| 3 | 28 | Ashley Thomasson | 21 | Wellingboro | 1:00.00 |
| 4 | 30 | Kalon Veale | 26 | Totnes | 55.41 |
| 5 | 29 | Gareth Cocks | 28 | Cardiff Mast | 59.30 |
| 6 | 27 | Luke Wilkins | 23 | Co Coventry | 1:01.23 |
| 7 | 25 | Michael Kerslake | 42 | CarltonForum | 1:02.00 |
| 8 | 23 | Michael Dakin | 31 | Long Eaton | 1:02.76 |