EVENT 603 Womens Open 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Helen Oleary | 60 | Nac Master | 12:19.89 |
| 2 | 2 | Christina Victor | 60 | Guildford Ct | DN:C . |
| 3 | 3 | Georgina Hamilton | 71 | Barnet Copt | 9:08.40 |
| 4 | 4 | Sarah Clarke | 28 | Sudbury | 7:15.01 |
| 5 | 5 | Emma Warrington | 34 | Croydon Amph | 7:51.66 |
| 6 | 6 | Patricia Jackson | 67 | East Anglian | 7:46.01 |
| 7 | 7 | Kathleen Anne Raymond | 51 | Sevenoaks | 7:27.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 8 | Frances Hegarty | 54 | Launceston | 7:04.81 |
| 2 | 9 | Christine Ayers | 61 | South Beds | 7:06.12 |
| 3 | 10 | Rhian Andrews | 45 | Cardiff Mast | 6:46.19 |
| 4 | 11 | Susan Haigh | 62 | Tiverton | DN:C . |
| 5 | 12 | Charlotte Fisher | 32 | Black Lion | 6:15.28 |
| 6 | 13 | Judith McGregor-Harper | 44 | Tiverton | 6:48.26 |
| 7 | 14 | Helen Shingler | 45 | Bishop Stort | 6:24.06 |
| 8 | 15 | Karen Bassett | 46 | Bracknell | 6:24.09 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 16 | Adele Parham | 47 | Exmouth | 6:28.13 |
| 2 | 17 | Amanda Heath | 57 | Spencer | 6:28.05 |
| 3 | 18 | Laura Fox | 30 | Co Sheff WP | DN:C . |
| 4 | 19 | Karen Howells | 43 | NottmLeander | 6:32.83 |
| 5 | 20 | Dymphna Morris | 53 | Swim4life | 6:19.40 |
| 6 | 21 | Elizabeth Bellinger | 36 | Out To Swim | DN:C . |
| 7 | 22 | Alice Dinsdale-Young | 26 | Barnet Copt | 6:20.05 |
| 8 | 23 | Helena McGrath | 42 | NAC | DN:C . |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 25 | Dawn Palmer | 38 | Romford Town | DN:C . |
| 2 | 27 | Jessica Wooddisse | 39 | Stroud Mast | 5:45.25 |
| 3 | 29 | Janet McLean | 41 | Carnegie | 5:32.36 |
| 4 | 31 | Helen McRoberts | 23 | Silver City | 5:36.12 |
| 5 | 30 | Nicola Latty | 43 | Oundle | 5:30.33 |
| 6 | 28 | Michelle Curry | 27 | Romford Town | 5:38.86 |
| 7 | 26 | Sarah Hempenstall | 36 | G B Police | 5:59.66 |
| 8 | 24 | Lucy Spencer | 22 | Warwick Uni | 5:49.95 |