EVENT 203 Womens Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Jeanette BENN | 64 | Co Lincoln P | 2:20.00 |
| 4 | 2 | Janet MASTERS | 75 | South Beds | 2:12.58 |
| 5 | 3 | Alison DONNELLY | 48 | Arfon | 2:00.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 4 | Michelle MATSON | 37 | Basingstoke | 1:39.39 |
| 3 | 5 | Lucy GALE | 20 | Perry B & TS | 1:37.83 |
| 4 | 6 | Julie DIAMOND | 41 | Co Coventry | 1:35.00 |
| 5 | 7 | Jessica THORPE | 30 | Camden Swiss | 1:33.00 |
| 6 | 8 | Katherine PURCELL | 25 | East Leeds | 1:30.00 |
| 7 | 9 | Jennifer OWENS | 30 | South Beds | 1:30.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 10 | Elaine SEAGER | 52 | Loughborough | 1:28.00 |
| 2 | 11 | Catherine SHEARN | 46 | Basingstoke | 1:25.96 |
| 3 | 12 | Debbie MATLESS | 52 | UEA Norwich | 1:24.00 |
| 4 | 13 | Samantha CROSBY | 25 | Caradon | 1:23.96 |
| 5 | 14 | Esther ISEPPI | 57 | Spencer | 1:23.50 |
| 6 | 15 | Hanna DABBOUR | 32 | East Anglian | 1:22.15 |
| 7 | 16 | Jessie CAMPBELL | 45 | Spencer | 1:20.00 |
| 8 | 17 | Erzsebet KISS | 39 | Chesterfield | 1:19.20 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 18 | Felicity HANNON | 26 | Otter | 1:19.17 |
| 2 | 19 | Deirdre MORRIS | 45 | Aer Lingus M | 1:18.36 |
| 3 | 20 | K VASILIAUSKAITE | 36 | Saxon Crown | 1:17.99 |
| 4 | 21 | Zsuzsanna FELVEGI | 36 | Co Oxford | 1:17.75 |
| 5 | 22 | Sandra - Jane JONES | 51 | Gloucester M | 1:17.71 |
| 6 | 23 | Michelle SENECAL | 38 | Otter | 1:16.50 |
| 7 | 24 | Allie PRICE | 50 | Cardiff Mast | 1:16.20 |
| 8 | 25 | Philippa O'GRADY | 46 | Wincanton | 1:14.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 26 | Amy CADDEN | 26 | Swim 4 Life | 1:13.04 |
| 2 | 27 | Laura MOLYNEAUX | 28 | Fareham N'ds | 1:12.80 |
| 3 | 28 | Judith HATTLE | 55 | Carlisle Aq | 1:12.60 |
| 4 | 29 | Emma STUDD | 19 | teamipswich | 1:11.97 |
| 5 | 30 | Janet MCLEAN | 42 | Carnegie | 1:11.00 |
| 6 | 31 | Elizabeth WOOLNER | 48 | Team Anglia | 1:10.60 |
| 7 | 32 | Philippa RICKARD | 44 | East Leeds | 1:10.50 |
| 8 | 33 | Emma GAGE | 26 | Trafford Met | 1:10.43 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 35 | Nicola LATTY | 44 | Sub 160 | 1:10.03 |
| 2 | 37 | Rebecca COLE | 21 | Loughboro Un | 1:08.27 |
| 3 | 39 | Rachael KEIR | 29 | Silver City | 1:08.00 |
| 4 | 41 | Alexandra KAYE | 19 | Bath Univ | 1:03.75 |
| 5 | 40 | Lucy LLOYD-ROACH | 32 | Trafford Met | 1:05.75 |
| 6 | 38 | Elizabeth BELLINGER | 37 | Bishop Stort | 1:08.00 |
| 7 | 36 | Noemie PEIGNON | 29 | Fareham N'ds | 1:10.00 |
| 8 | 34 | Olivia HANDLEY | 19 | Beckenham | 1:10.25 |