EVENT 511 Mens 17 Yrs/Over 400m Free.Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 2 | City of St Albans | | Co St Albans | 3:38.46 |
| 2 | 4 | Pioneer 79 | Open | Pioneer 79 | 3:38.06 |
| 3 | 6 | City of Cardiff | Open | Co Cardiff | 3:37.17 |
| 4 | 8 | Warrington Warriors | Open | Warrington W | 3:36.88 |
| 5 | 7 | Northampton | Open | Northampton | 3:36.92 |
| 6 | 5 | City of Leeds | Open | Co Leeds | 3:37.37 |
| 7 | 3 | City of Glasgow B | Open | Co Glasgow | 3:38.38 |
| 8 | 1 | City of Derby | | Co Derby | 3:38.66 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 11 | Ealing | Open | Ealing | 3:35.87 |
| 1 | 15 | Plymouth Leander B | Open | Plymouth Lea | 3:35.10 |
| 2 | 19 | East Leeds | Open | East Leeds | 3:33.71 |
| 3 | 23 | City of Glasgow A | Open | Co Glasgow | 3:32.24 |
| 4 | 27 | Stockport Metro | Open | Stockport Mo | 3:30.37 |
| 5 | 25 | Hatfield | Open | Hatfield | 3:31.31 |
| 6 | 21 | Warrender Baths | Open | Warrender Ba | 3:32.89 |
| 7 | 17 | Swansea Aquatics B | Open | Swansea Aq | 3:34.04 |
| 8 | 13 | City of Manchester A | Open | Co Manch Aq | 3:35.60 |
| 9 | 9 | Preston | Open | Preston | 3:36.36 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 12 | City of Cambridge | Open | Co Cambridge | 3:35.77 |
| 1 | 16 | Wycombe District | Open | Wycombe Dist | 3:34.23 |
| 2 | 20 | Derventio Excel | Open | Derventio | 3:33.22 |
| 3 | 24 | Plymouth Leander A | Open | Plymouth Lea | 3:31.72 |
| 4 | 28 | Swansea Aquatics A | Open | Swansea Aq | 3:29.79 |
| 5 | 26 | City of Sheffield A | Open | Co Sheffield | 3:31.08 |
| 6 | 22 | Millfield School | Open | Millfield | 3:32.89 |
| 7 | 18 | Ellesmere College | Open | Ellesmere Co | 3:33.92 |
| 8 | 14 | Portsmouth Northsea | Open | Portsmouth N | 3:35.36 |
| 9 | 10 | University of Surrey | Open | SurreyUni SC | 3:36.29 |