EVENT 501 Womens 15/18 Yrs 400m Medley Team - Heats
Not Competing : 6
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 3 | 1 | Hemel Hempstead SC | | Hemel Hemp | 4:48.80 |
| 4 | 3 | Chelmsford SC | | Chelmsford | 4:39.66 |
| 5 | 2 | Team Ipswich Swimming | | teamipswich | 4:42.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 2 | 5 | West Suffolk Swimming | | West Suffolk | 4:37.32 |
| 3 | 8 | Hatfield B | | Hatfield | 4:28.00 |
| 4 | 10 | Hatfield A | | Hatfield | 4:14.00 |
| 5 | 9 | City Of Peterborough A | | Co Peterboro | 4:26.00 |
| 6 | 7 | Modernian SC | | Modernians | 4:28.47 |
| 7 | 4 | City Of Peterborough B | | Co Peterboro | 4:39.00 |