EVENT 114 Boys 16/17 Yrs 4x50m Medley Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 2 | Surrey | | Surrey | 1:51.80 |
| 1 | 4 | Kent | | Kent | 1:49.97 |
| 2 | 6 | Sussex | | Sussex | 1:48.66 |
| 3 | 8 | Berkshire & S Bucks | | Berks&SBucks | 1:48.31 |
| 4 | 10 | Middlesex | | Middlesex | 1:48.14 |
| 5 | 9 | Hertfordshire | | Herts | 1:48.29 |
| 6 | 7 | Lancashire | | Lancashire | 1:48.39 |
| 7 | 5 | Swim Wales East | | Swim Wales E | 1:48.81 |
| 8 | 3 | Swim Wales West | | Swim Wales W | 1:50.49 |
| 9 | 1 | Worcester | | Worcs | 1:52.57 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 12 | Cheshire | | Cheshire | 1:47.80 |
| 1 | 14 | Yorkshire | | Yorkshire | 1:47.63 |
| 2 | 16 | Scotland East | | Scot East | 1:47.28 |
| 3 | 18 | Somerset | | Somerset | 1:46.16 |
| 4 | 20 | Oxford & North Bucks | | Ox & N Bucks | 1:45.66 |
| 5 | 19 | Hampshire | | Hampshire | 1:46.05 |
| 6 | 17 | Derbyshire | | Derbyshire | 1:46.32 |
| 7 | 15 | Scotland West | | Scot West | 1:47.62 |
| 8 | 13 | Nottinghamshire | | Notts | 1:47.71 |
| 9 | 11 | Northumberlnd & Durham | | N & Durham | 1:48.02 |