EVENT 303 Mens 14/16 Yrs 400m Freestyle Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 3 | 1 | Nottingham Leander SC | | NottmLeander | 4:07.58 |
| 4 | 3 | Northampton SC - B | | Northampton | 4:01.00 |
| 5 | 2 | Belper Marlin SC | | BelperMarlin | 4:04.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 4 | Wellingborough SC | | Wellingboro | 4:00.00 |
| 1 | 6 | Derventio Excel - B | | Derventio | 3:57.00 |
| 2 | 8 | City of Leicester - A | | Co Leicester | 3:53.72 |
| 3 | 10 | Braunstone SC | | Braunstone | 3:51.00 |
| 4 | 12 | Derventio Excel - A | | Derventio | 3:47.00 |
| 5 | 11 | Northampton SC - A | | Northampton | 3:48.00 |
| 6 | 9 | Nova Centurion SC | | Nova Cent'n | 3:52.90 |
| 7 | 7 | City of Derby SC | | Co Derby | 3:56.88 |
| 8 | 5 | Calverton and Bingham | | Calv Bing | 3:58.50 |