Mens 15/16 Yrs 400m Freestyle Team - Heats (Declared Winners)
Full Results
| Place | Name | A.G | Club | | Time | | | | |
| 1. | Suffolk ASA | | Suffolk | | 1:43.02 | | | | |
| JACK ANDREW | | | |
| NATHAN WHELAN | | | |
| CHARLES SELLER | | | |
| JACK BECKETT | | | |
| 2. | Hertfordshire ASA | | Herts | | 1:43.07 | | | | |
| WILL KEARSEY | | | |
| HARRY PARKER | | | |
| ETHAN FARRELL | | | |
| NATHAN BENTLEY | | | |
| 3. | Bedfordshire ASA | | Bedfordshire | | 1:43.71 | | | | |
| OLIVER MALTBY | | | |
| MICHAEL JUDD | | | |
| HARRY WEARS | | | |
| PETER WEBSTER | | | |
| 4. | Essex County ASA | | Essex | | 1:44.81 | | | | |
| ETHAN HARRINGTON | | | |
| BRADLEY VEITCH | | | |
| JAMES DAY | | | |
| MASON ARNOLD | | | |
| 5. | Cambridgeshire ASA | | Cambs | | 1:46.82 | | | | |
| DANNY MILLS | | | |
| LIAM OLIVER | | | |
| JAMES NEWTON | | | |
| DANIEL LEIGH | | | |
| 6. | Norfolk County ASA | | Norfolk | | 1:47.83 | | | | |
| LEWIS SMITH | | | |
| WILLIAM HATTON | | | |
| NATHAN WELLS | | | |
| JORDAN MANN | | | |