EVENT 415 Mens Open 400m Freestyle Team - Heats
Not Competing : 1,6
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 3 | 3 | Leighton Buzzard SC | | Leighton Buz | 3:49.61 |
| 4 | 5 | West Norfolk | | West Norfolk | 3:49.00 |
| 5 | 4 | City Of Peterborough B | | Co Peterboro | 3:49.50 |
| 6 | 2 | Hatfield C | | Hatfield | 3:50.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 8 | City of Cambridge B | | Co Cambridge | 3:41.00 |
| 2 | 10 | Hatfield B | | Hatfield | 3:40.00 |
| 3 | 12 | UEA City of Norwich SC | | UEA Norwich | 3:35.00 |
| 4 | 14 | Hatfield A | | Hatfield | 3:30.00 |
| 5 | 13 | Basildon and Phoenix | | Basildon Ph | 3:32.00 |
| 6 | 11 | City of Cambridge A | | Co Cambridge | 3:36.50 |
| 7 | 9 | City Of Peterborough A | | Co Peterboro | 3:40.50 |
| 8 | 7 | Hemel Hempstead SC | | Hemel Hemp | 3:41.78 |