EVENT 509 Mens 14/16 Yrs 4x100m Free Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 1 | 1 | Plymouth Leander B | Open | Plymouth Lea | 3:48.96 |
| 2 | 3 | City of Oxford | Open | Co Oxford | 3:47.92 |
| 3 | 5 | Chelsea & Westminster | Open | Chelsea&West | 3:47.87 |
| 4 | 7 | City of Peterborough | Open | Co Peterboro | 3:47.45 |
| 5 | 6 | Aberdeen Performance A | Open | Aberdeen Per | 3:47.56 |
| 6 | 4 | City of Milton Keynes | Open | Co Milton K | 3:47.90 |
| 7 | 2 | City of Glasgow | Open | Co Glasgow | 3:48.22 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 10 | Wycombe District | Open | Wycombe Dist | 3:47.19 |
| 1 | 14 | City of Leeds | Open | Co Leeds | 3:45.85 |
| 2 | 18 | Newcastle | Open | Newcastle | 3:44.37 |
| 3 | 22 | Warrender Baths A | Open | Warrender Ba | 3:42.79 |
| 4 | 26 | Plymouth Leander | Open | Plymouth Lea | 3:38.93 |
| 5 | 24 | Northampton | Open | Northampton | 3:40.86 |
| 6 | 20 | Millfield School | Open | Millfield | 3:43.68 |
| 7 | 16 | Guildford City | Open | Guildford Ct | 3:44.96 |
| 8 | 12 | Dorking | Open | Dorking | 3:46.45 |
| 9 | 8 | Halesowen | Open | Halesowen | 3:47.38 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 11 | Ealing | Open | Ealing | 3:46.76 |
| 1 | 15 | Leatherhead | Open | Leatherhead | 3:45.38 |
| 2 | 19 | Derventio Excel | Open | Derventio | 3:44.24 |
| 3 | 23 | City of Salford A | Open | Co Salford | 3:42.73 |
| 4 | 27 | City of Cambridge | Open | Co Cambridge | 3:38.11 |
| 5 | 25 | Hatfield | Open | Hatfield | 3:39.52 |
| 6 | 21 | Derwentside | Open | Derwentside | 3:43.34 |
| 7 | 17 | West Lothian | Open | West Lothian | 3:44.94 |
| 8 | 13 | Camden Swiss | Open | Camden Swiss | 3:46.34 |
| 9 | 9 | Royal Wolverhampton | Open | Royal Wolv | 3:47.36 |