EVENT 608 Mens 14/16 Yrs 400m Medley Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 2 | Swim West Lothian | Open | West Lothian | 4:16.16 |
| 2 | 4 | Ellesmere College | Open | Ellesmere Co | 4:16.09 |
| 3 | 6 | Dumfries | Open | Dumfries | 4:15.44 |
| 4 | 8 | Basildon & Phoenix | Open | Basildon Ph | 4:15.02 |
| 5 | 7 | City of Derby | Open | Co Derby | 4:15.10 |
| 6 | 5 | Poole | Open | Poole | 4:15.52 |
| 7 | 3 | City of Bristol | Open | Co Bristol | 4:16.13 |
| 8 | 1 | City of Glasgow | Open | Co Glasgow | 4:16.35 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 11 | Derventio Excel | Open | Derventio | 4:13.37 |
| 1 | 15 | City of Oxford | Open | Co Oxford | 4:10.49 |
| 2 | 19 | City of Liverpool | Open | Co Liverpool | 4:08.77 |
| 3 | 23 | Hatfield A | Open | Hatfield | 4:07.88 |
| 4 | 27 | City of Leicester A | Open | Co Leicester | 4:04.57 |
| 5 | 25 | Wycombe District | Open | Wycombe Dist | 4:07.55 |
| 6 | 21 | Guildford City | Open | Guildford Ct | 4:08.64 |
| 7 | 17 | Swansea Aquatics A | Open | Swansea Aq | 4:09.35 |
| 8 | 13 | Mount Kelly | Open | Mt Kelly | 4:12.33 |
| 9 | 9 | Maidenhead | Open | Maidenhead | 4:14.06 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 12 | Bournemouth College | Open | Bourmth Coll | 4:12.73 |
| 1 | 16 | Ealing | Open | Ealing | 4:09.93 |
| 2 | 20 | South Lanarkshire Swim | Open | SLanarkshire | 4:08.66 |
| 3 | 24 | Newcastle | Open | Newcastle | 4:07.62 |
| 4 | 28 | Millfield School | Open | Millfield | 4:03.08 |
| 5 | 26 | Swim Trafford | Open | SwimTrafford | 4:06.26 |
| 6 | 22 | Plymouth Leander A | Open | Plymouth Lea | 4:08.44 |
| 7 | 18 | City of Leeds | Open | Co Leeds | 4:09.10 |
| 8 | 14 | City of Leicester B | Open | Co Leicester | 4:11.71 |
| 9 | 10 | City of Peterborough | Open | Co Peterboro | 4:13.79 |