EVENT 508 Womens Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Lorraine Crook | 60 | Caldicot | 2:09.46 |
| 2 | 2 | Emma Warrington | 34 | Croydon Amph | 1:59.09 |
| 3 | 3 | Alison Donnelly | 47 | Arfon Mast | 1:56.23 |
| 4 | 4 | Georgina Hamilton | 71 | Barnet Copt | 1:55.00 |
| 5 | 5 | Patricia Jackson | 67 | East Anglian | 1:40.00 |
| 6 | 6 | Sarah Clarke | 28 | Sudbury | 1:40.00 |
| 7 | 7 | Christina Victor | 60 | Guildford Ct | 1:35.42 |
| 8 | 8 | Samantha Crosby | 24 | Caradon | 1:35.37 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 9 | Linda Brown | 56 | Spencer | 1:30.00 |
| 2 | 10 | Karen Brown | 40 | Spencer | 1:26.02 |
| 3 | 11 | Catherine Shearn | 45 | Basingstoke | 1:24.96 |
| 4 | 12 | Dianne Fraser | 48 | Silver City | 1:24.34 |
| 5 | 13 | Hanna Dabbour | 31 | East Anglian | 1:23.65 |
| 6 | 14 | Debbie Matless | 51 | UEA Norwich | 1:22.00 |
| 7 | 15 | Sandra Jones | 50 | Gloucester M | 1:22.00 |
| 8 | 16 | Karen Howells | 43 | NottmLeander | 1:22.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 17 | Nicola Quantrell | 32 | Potters Bar | 1:21.00 |
| 2 | 18 | Caryn Kiellor | 55 | Cardiff Mast | 1:21.00 |
| 3 | 19 | Ninette Hibbs | 52 | St Austell A | 1:20.00 |
| 4 | 20 | Maria Verdugo | 34 | W Lon Pengu | 1:20.00 |
| 5 | 21 | Marie Holmberg | 45 | Sk Neptun | 1:19.10 |
| 6 | 22 | Dymphna Morris | 53 | Swim4life | 1:18.04 |
| 7 | 23 | Helena McGrath | 42 | NAC | 1:18.00 |
| 8 | 24 | Laura Fox | 30 | Co Sheff WP | 1:18.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 25 | Michelle Senecal | 37 | Otter | 1:16.10 |
| 2 | 26 | Corinne James | 20 | Tring | 1:15.96 |
| 3 | 27 | Jeanne Petit | 44 | Chesham | 1:15.33 |
| 4 | 28 | Sarah Hempenstall | 36 | G B Police | 1:15.33 |
| 5 | 29 | Sara Cox-Conklin | 50 | AST Burnham | 1:15.00 |
| 6 | 30 | Claire Canning | 29 | IRE | 1:15.00 |
| 7 | 31 | Helen McRoberts | 23 | Silver City | 1:14.50 |
| 8 | 32 | Philippa O'Grady | 45 | Exmouth | 1:14.50 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 33 | Leanne Wilson | 25 | Co Wakefield | 1:13.51 |
| 2 | 34 | Emma Pearce | 20 | Co Bristol | 1:13.30 |
| 3 | 35 | Philippa Rickard | 43 | East Leeds | 1:12.80 |
| 4 | 36 | Victoria Standen | 31 | G B Police | 1:12.50 |
| 5 | 37 | Sarah Ryder | 26 | Northampton | 1:12.22 |
| 6 | 38 | Rebecca Smith | 35 | West Wilts | 1:12.00 |
| 7 | 39 | Claire Nixon | 32 | Dun City Aqu | 1:12.00 |
| 8 | 40 | Sara Dykes | 43 | Weston S M | 1:11.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 42 | Cheryl Wilson | 20 | Co Chester | 1:09.32 |
| 2 | 44 | Elizabeth Bellinger | 36 | Out To Swim | 1:08.50 |
| 3 | 46 | Natasha Pike | 19 | Co Milton K | 1:06.89 |
| 4 | 48 | Robyn Le Friec | 24 | Warwick Uni | 1:06.10 |
| 5 | 47 | Ruth Leong-Scanlan | 21 | Warwick Uni | 1:06.60 |
| 6 | 45 | Justine Clark | 26 | Birmingham M | 1:08.20 |
| 7 | 43 | Rachael Keir | 28 | Silver City | 1:08.64 |
| 8 | 41 | Nicola Latty | 43 | Oundle | 1:09.80 |