EVENT 511 Men 14/16 Yrs 400m Freestyle Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 0 | 1 | Northampton D | | Northampton | 3:47.97 |
| 1 | 3 | East Lothian D | | East Lothian | 3:47.72 |
| 2 | 5 | City Of Peterborough | | Co Peterboro | 3:47.57 |
| 3 | 7 | Millfield School B | | Millfield | 3:47.24 |
| 4 | 9 | Worcester | | Worcester | 3:46.87 |
| 5 | 8 | Poole | | Poole | 3:47.01 |
| 6 | 6 | Leamington Spa | | Leamington | 3:47.55 |
| 7 | 4 | Ren 96 C | | Ren 96 | 3:47.66 |
| 8 | 2 | City of Cardiff D | | Co Cardiff | 3:47.87 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 0 | 12 | City of Sheffield | | Co Sheffield | 3:46.11 |
| 1 | 16 | Rotherham Metro | | Rotherham Mo | 3:44.00 |
| 2 | 20 | City of Leeds | | Co Leeds | 3:41.60 |
| 3 | 24 | Wycombe District A | | Wycombe Dist | 3:40.21 |
| 4 | 28 | RTW Monson | | RTW Monson | 3:36.22 |
| 5 | 26 | N & D PP SC | | N & D PP SC | 3:38.89 |
| 6 | 22 | City of Cambridge | | Co Cambridge | 3:41.03 |
| 7 | 18 | Skipton | | Skipton | 3:43.78 |
| 8 | 14 | Repton | | Repton | 3:44.79 |
| 9 | 10 | Soundwell | | Soundwell | 3:46.69 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | A.G. | Club | Time |
| 0 | 13 | Leander | | Leander | 3:44.80 |
| 1 | 17 | Camden Swiss Cottage | | Camden Swiss | 3:43.81 |
| 2 | 21 | Plymouth Leander A | | Plymouth Lea | 3:41.50 |
| 3 | 25 | City of Birmingham A | | Co Birm'ham | 3:39.81 |
| 4 | 29 | Millfield School A | | Millfield | 3:35.82 |
| 5 | 27 | Guildford City | | Guildford Ct | 3:38.13 |
| 6 | 23 | Mount Kelly A | | Mt Kelly | 3:40.76 |
| 7 | 19 | Warrender Baths | | Warrender Ba | 3:42.60 |
| 8 | 15 | Chelsea & Westminster | | Chelsea&West | 3:44.01 |
| 9 | 11 | Hackney Aquatics | | Hackney | 3:46.15 |