EVENT 371 Men 17 Yrs/Over 400m Medley Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 3 | 2 | Potters Bar | -- | Potters Bar | 4:18.00 |
| 4 | 4 | Thurrock | -- | Thurrock | 4:12.00 |
| 5 | 3 | Linslade | -- | Linslade | 4:12.00 |
| 6 | 1 | Dereham | -- | Dereham | 4:20.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 1 | 6 | Watford SC | -- | Watford SC | 4:06.00 |
| 2 | 8 | West Norfolk | -- | West Norfolk | 4:01.00 |
| 3 | 10 | Basildon Ph | -- | Basildon Ph | 3:57.00 |
| 4 | 12 | Co Norwich | -- | Co Norwich | 3:54.00 |
| 5 | 11 | West Suffolk | -- | West Suffolk | 3:56.00 |
| 6 | 9 | Co Cambridge | -- | Co Cambridge | 3:59.00 |
| 7 | 7 | Co Peterboro | -- | Co Peterboro | 4:04.00 |
| 8 | 5 | Colchester | -- | Colchester | 4:09.50 |