EVENT 104 Mixed 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Neil Symons | 47 | Co Coventry | 1:44.27 |
| 2 | 3 | Phillip Trelford | 53 | Co Ely | 1:31.88 |
| 3 | 5 | Ian Adshead | 59 | Co Coventry | 1:22.90 |
| 4 | 8 | David Clarke | 60 | Wrekin SC | 1:17.50 |
| 5 | 6 | Geraint Meek | 30 | Cardiff Mast | 1:20.00 |
| 6 | 4 | Sandra-Jane Jones | 60 | Gloucester M | 1:26.28 |
| 7 | 2 | Lindsey Gowland | 67 | B C & P Mast | 1:40.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Alice Lane | 37 | Birmingham M | 1:12.00 |
| 2 | 12 | Hannah Dodwell | 30 | RAF Swim | 1:10.35 |
| 3 | 14 | Kimberley MacKay | 26 | Ledbury | 1:08.02 |
| 4 | 16 | Christopher Worby | 34 | Nuneaton | 1:07.00 |
| 5 | 15 | Izabel Peniket | 19 | Walsall | 1:07.93 |
| 6 | 13 | Andrew Clarke | 55 | Cosacss | 1:09.94 |
| 7 | 11 | Gareth Blackbird | 47 | Evesham | 1:11.70 |
| 8 | 9 | Hazel Trayler | 25 | Kidlington | 1:12.31 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Spencer Glover | 54 | Warrington M | 1:06.00 |
| 2 | 20 | Harry Badnell | 24 | Birm'ham Uni | 1:03.42 |
| 3 | 23 | Ben Harkin | 46 | Warrington M | 1:00.00 |
| 4 | 25 | James Wardle | 39 | Kenilworth M | 57.50 |
| 5 | 24 | Oliver Espinasse | 40 | Basingstoke | 58.58 |
| 6 | 22 | Richard Murray | 24 | SedgefieldWP | 1:01.16 |
| 7 | 19 | Brian McSharry | 20 | Co Coventry | 1:06.00 |
| 8 | 17 | Benjamin Jones | 33 | Cardiff Mast | 1:06.32 |