EVENT 711 Men 14/16 Yrs 400m Medley Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 1 | 1 | City Of Peterborough D | | Co Peterboro | 4:13.46 |
| 2 | 3 | Newcastle | | Newcastle | 4:12.35 |
| 3 | 5 | Leander | | Leander | 4:11.16 |
| 4 | 7 | City of Cardiff | | Co Cardiff | 4:10.14 |
| 5 | 6 | Mount Kelly B | | Mt Kelly | 4:10.72 |
| 6 | 4 | Leamington Spa | | Leamington | 4:12.34 |
| 7 | 2 | Royal Wolverhampton | | Royal Wolv | 4:12.71 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 0 | 10 | Skipton | | Skipton | 4:09.48 |
| 1 | 14 | City of Cambridge | | Co Cambridge | 4:07.73 |
| 2 | 18 | Soundwell | | Soundwell | 4:05.98 |
| 3 | 22 | N & D PP SC | | N & D PP SC | 4:02.83 |
| 4 | 26 | Millfield School A | | Millfield | 3:59.30 |
| 5 | 24 | Warrender Baths | | Warrender Ba | 4:01.07 |
| 6 | 20 | Chelsea & Westminster | | Chelsea&West | 4:03.80 |
| 7 | 16 | Plymouth Leander B | | Plymouth Lea | 4:07.33 |
| 8 | 12 | Camden Swiss Cottage | | Camden Swiss | 4:08.21 |
| 9 | 8 | Poole | | Poole | 4:10.11 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 0 | 11 | City of Birmingham A | | Co Birm'ham | 4:08.49 |
| 1 | 15 | Guildford City | | Guildford Ct | 4:07.72 |
| 2 | 19 | Millfield School B | | Millfield | 4:04.61 |
| 3 | 23 | RTW Monson | | RTW Monson | 4:01.55 |
| 4 | 27 | City of Leeds | | Co Leeds | 3:58.41 |
| 5 | 25 | Plymouth Leander A | | Plymouth Lea | 3:59.83 |
| 6 | 21 | Hackney Aquatics | | Hackney | 4:03.19 |
| 7 | 17 | Mount Kelly A | | Mt Kelly | 4:06.23 |
| 8 | 13 | Wycombe District A | | Wycombe Dist | 4:08.06 |
| 9 | 9 | Northampton | | Northampton | 4:09.67 |