EVENT 501 Mens Open 400m Freestyle - Heats
Not Competing : 2,19,20,26,30,34
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 3 | Samuel CHANDLER | 17 | West Norfolk | 5:01.23 |
| 3 | 5 | Oliver KENNY | 16 | UEA Norwich | 4:38.40 |
| 4 | 7 | Alexander PROFFITT | 15 | West Suffolk | 4:26.98 |
| 5 | 6 | Charlie ESHELBY | 15 | West Suffolk | 4:34.94 |
| 6 | 4 | Thomas EDWARDS | 16 | West Suffolk | 4:40.29 |
| 7 | 1 | Michael JUDD | 15 | Leighton Buz | 4:37.39 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 9 | Myles TURNER | 13 | West Suffolk | 4:34.23 |
| 2 | 11 | Jamie SCHOLES | 13 | Co Peterboro | 4:31.23 |
| 3 | 13 | Alex EVENS | 14 | Hitchin | 4:33.20 |
| 4 | 15 | Ethan FARRELL | 16 | Hatfield | 4:37.28 |
| 5 | 14 | Benjamin HORNER | 16 | Biggleswade | 4:47.17 |
| 6 | 12 | Harry WEARS | 16 | Leighton Buz | 4:45.41 |
| 7 | 10 | Matthew ADDIS | 15 | West Norfolk | 4:38.80 |
| 8 | 8 | Jack PICKERING | 15 | teamipswich | 4:37.47 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 17 | Kieran RAPHY | 16 | Bishop Stort | 4:30.58 |
| 2 | 21 | Jordan MANN | 15 | UEA Norwich | 4:37.87 |
| 3 | 23 | Jamie FOWLER | 16 | Team Luton | 4:27.46 |
| 4 | 25 | James DAY | 16 | Basildon Ph | 4:22.90 |
| 5 | 24 | Lee CLARKE | 15 | Co Peterboro | 4:31.11 |
| 6 | 22 | Jozef OCHWAT | 16 | teamipswich | 4:29.91 |
| 7 | 18 | Thomas BUCKLE | 16 | West Suffolk | 4:32.53 |
| 8 | 16 | Matthew WRIGHT | 15 | Team Luton | 4:32.71 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 28 | Nathan WELLS | 15 | West Norfolk | 4:25.21 |
| 2 | 31 | Nathan HUGHES | 13 | Hatfield | 4:28.19 |
| 3 | 33 | Louis SELLER | 17 | teamipswich | 4:09.87 |
| 4 | 36 | Caleb HUGHES | 18 | Hatfield | 4:03.79 |
| 5 | 35 | Martyn WALTON | 16 | Hatfield | 4:04.10 |
| 6 | 32 | Regan LLOYD | 16 | teamipswich | 4:18.56 |
| 7 | 29 | Nathan BENTLEY | 15 | Hatfield | 4:18.73 |
| 8 | 27 | Alex MASON | 17 | Team Luton | 4:29.93 |