EVENT 501 Mens/Womens Open 400m Medley Team - Heats
Not Competing : 9
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 19 | Birmingham M | 240+ | Birmingham M | 5:03.39 |
| 2 | 18 | Otter | 240+ | Otter | 6:33.99 |
| 3 | 15 | Spencer | 240+ | Spencer | 5:12.46 |
| 4 | 11 | Teddington | 240+ | Teddington | 5:46.43 |
| 5 | 30 | Co Oxford | 200+ | Co Oxford | 4:52.96 |
| 6 | 17 | Wycombe Dist | 200+ | Wycombe Dist | 5:05.67 |
| 7 | 14 | Rochford | 200+ | Rochford | 4:56.15 |
| 8 | 7 | NottmLeander | 200+ | NottmLeander | 5:34.32 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 2 | 26 | Leic Peng | 160+ | Leic Peng | 4:45.75 |
| 3 | 24 | Fareham N'ds | 160+ | Fareham N'ds | 4:15.05 |
| 4 | 21 | Warrington M | 160+ | Warrington M | 4:35.09 |
| 5 | 13 | Loughborough | 160+ | Loughborough | DN:C . |
| 6 | 8 | Kenilworth M | 160+ | Kenilworth M | 4:41.75 |
| 7 | 4 | Teddington | 160+ | Teddington | 4:52.87 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 2 | 31 | NottmLeander | 120+ | NottmLeander | 4:51.63 |
| 3 | 22 | Co South'ton | 120+ | Co South'ton | 4:57.82 |
| 4 | 6 | Hemel Hemp | 120+ | Hemel Hemp | 5:10.40 |
| 5 | 5 | Reading | 120+ | Reading | : . |
| 6 | 2 | Kenilworth M | 120+ | Kenilworth M | : . |
| 7 | 1 | Hoylake | 120+ | Hoylake | : . |
| Heat Number - 4 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 27 | Preston B | 072+ | Preston | 4:42.13 |
| 1 | 25 | Loughborough | 072+ | Loughborough | 4:56.95 |
| 2 | 23 | Co Oxford | 072+ | Co Oxford | 4:40.99 |
| 3 | 20 | NottmLeander | 072+ | NottmLeander | 4:31.82 |
| 4 | 16 | Basingstoke | 072+ | Basingstoke | 4:13.25 |
| 5 | 12 | Stocksbridge | 072+ | Stocksbridge | 4:34.96 |
| 6 | 10 | Hemel Hemp | 072+ | Hemel Hemp | 4:23.50 |
| 7 | 28 | Otter | 100+ | Otter | 4:43.00 |
| 8 | 3 | Teddington | 100+ | Teddington | 4:22.72 |
| 9 | 29 | Preston | 072+ | Preston | 4:21.22 |