EVENT 415 Mens Open 400m Freestyle Team - Heats
Not Competing : 1,5
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 3 | 2 | Leighton Buzzard SC | | Leighton Buz | 3:48.00 |
| 4 | 4 | Hatfield C | | Hatfield | 3:45.00 |
| 5 | 3 | Beccles Town SC | | Beccles Town | 3:46.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 7 | UEA City of Norwich SC | | UEA Norwich | 3:40.00 |
| 2 | 9 | Harlow Penguin SC | | Harlow Pen | 3:37.00 |
| 3 | 11 | Hatfield B | | Hatfield | 3:30.00 |
| 4 | 13 | Hatfield A | | Hatfield | 3:25.00 |
| 5 | 12 | Basildon & Phoenix SC | | Basildon Ph | 3:28.00 |
| 6 | 10 | Hemel Hempstead A | | Hemel Hemp | 3:36.38 |
| 7 | 8 | City Of Peterborough A | | Co Peterboro | 3:37.70 |
| 8 | 6 | City of Cambridge SC | | Co Cambridge | 3:43.00 |