EVENT 158 Mens 14/16 Yrs 400m Medley Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 3 | 2 | City of St Albans SC | | Co St Albans | 4:34.00 |
| 4 | 4 | City of Cambridge SC | | Co Cambridge | 4:22.00 |
| 5 | 3 | Harpenden Swimming Clu | | Harpenden | 4:28.84 |
| 6 | 1 | City Of Peterborough B | | Co Peterboro | 4:36.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 6 | City Of Peterborough A | | Co Peterboro | 4:14.48 |
| 2 | 8 | Hatfield B | | Hatfield | 4:13.30 |
| 3 | 10 | Basildon & Phoenix SC | | Basildon Ph | 4:10.00 |
| 4 | 12 | UEA City of Norwich SC | | UEA Norwich | 3:49.00 |
| 5 | 11 | Hatfield A | | Hatfield | 4:05.60 |
| 6 | 9 | Potters Bar SC | | Potters Bar | 4:10.78 |
| 7 | 7 | West Suffolk Swimming | | West Suffolk | 4:14.35 |
| 8 | 5 | Bishops Stortford SC | | Bishop Stort | 4:14.92 |