EVENT 609 Mens 17 Yrs/Over 4x100m Medley Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 1 | Guildford City A | Open | Guildford Ct | 4:02.31 |
| 1 | 3 | Leicester Sharks | Open | Leic Sharks | 4:01.45 |
| 2 | 5 | City of Manchester B | Open | Co Manch Aq | 4:00.91 |
| 3 | 7 | City of Oxford | Open | Co Oxford | 4:00.48 |
| 4 | 9 | Northampton | Open | Northampton | 4:00.24 |
| 5 | 8 | Plymouth Leander D | Open | Plymouth Lea | 4:00.24 |
| 6 | 6 | City of Peterborough | Open | Co Peterboro | 4:00.59 |
| 7 | 4 | Hillingdon | Open | Hillingdon | 4:01.26 |
| 8 | 2 | Wycombe District B | Open | Wycombe Dist | 4:02.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 12 | Aberdeen Performance A | Open | Aberdeen Per | 4:00.01 |
| 1 | 16 | Loughborough Uni | Open | Loughboro Un | 3:57.54 |
| 2 | 20 | Exeter City | Open | Exeter City | 3:56.71 |
| 3 | 24 | Ealing | Open | Ealing | 3:55.97 |
| 4 | 28 | Derventio Excel | Open | Derventio | 3:51.16 |
| 5 | 26 | Wycombe District A | Open | Wycombe Dist | 3:53.96 |
| 6 | 22 | Plymouth Leander C | Open | Plymouth Lea | 3:56.36 |
| 7 | 18 | Hatfield | Open | Hatfield | 3:57.36 |
| 8 | 14 | City of Cambridge | Open | Co Cambridge | 3:59.61 |
| 9 | 10 | Preston | Open | Preston | 4:00.24 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 13 | Millfield School B | Open | Millfield | 3:59.63 |
| 1 | 17 | Millfield School A | Open | Millfield | 3:57.39 |
| 2 | 21 | City of Glasgow | Open | Co Glasgow | 3:56.65 |
| 3 | 25 | Plymouth Leander B | Open | Plymouth Lea | 3:55.31 |
| 4 | 29 | Plymouth Leander A | Open | Plymouth Lea | 3:45.79 |
| 5 | 27 | City of Manchester A | Open | Co Manch Aq | 3:53.73 |
| 6 | 23 | City of Sheffield | Open | Co Sheffield | 3:56.24 |
| 7 | 19 | Warrington Warriors | Open | Warrington W | 3:56.80 |
| 8 | 15 | West Lothian | Open | West Lothian | 3:58.73 |
| 9 | 11 | Mount Kelly | Open | Mt Kelly | 4:00.03 |