Mens 400m Freestyle (Timed Final)
| Place | Name | AaD | Club | Time | GB Pts | | 50 | 100 | 150 | 200 | 250 | 300 | 350 |
| 1. | Richard CHARLESWORTH | 20 | Hatfield | 3:50.35 | 888 | | 26.84 | 55.66 | 1:25.06 | 1:54.55 | 2:23.87 | 2:53.36 | 3:22.36 |
| 2. | Sean LEAHY | 18 | Hatfield | 4:04.56 | 765 | | 28.10 | 58.55 | 1:29.86 | 2:01.13 | 2:32.29 | 3:03.58 | 3:35.28 |
| 3. | Thomas SUTTON | 15 | St Felix Sch | 4:04.97 | 762 | | 28.07 | 58.36 | 1:29.32 | 2:00.10 | 2:31.22 | 3:03.18 | 3:34.96 |
| 4. | Samuel HEARD | 19 | UEA Norwich | 4:05.04 | 761 | | 28.49 | 59.19 | 1:30.26 | 2:01.47 | 2:32.89 | 3:04.40 | 3:35.60 |
| 5. | David GODRIDGE | 15 | Watford | 4:07.12 | 745 | | 28.59 | 1:00.16 | 1:32.70 | 2:04.88 | 2:36.12 | 3:07.64 | 3:37.50 |
| 6. | Laurence LOWMAN | 19 | Hatfield | 4:10.41 | 719 | | 28.73 | 1:00.19 | 1:32.23 | 2:04.47 | 2:36.10 | 3:07.44 | 3:39.29 |
| 7. | Lewis KING | 18 | Hatfield | 4:12.13 | 707 | | 29.23 | 1:00.76 | 1:32.69 | 2:05.02 | 2:36.96 | 3:08.86 | 3:41.41 |
| 8. | Aydin BERKI | 15 | Mid Beds | 4:13.01 | 700 | | 28.92 | 1:00.76 | 1:32.72 | 2:05.13 | 2:37.13 | 3:09.54 | 3:41.81 |
| 9. | Troy LYNCH | 17 | teamipswich | 4:14.02 | 693 | | 28.47 | 1:00.36 | 1:33.24 | 2:06.15 | 2:38.78 | 3:11.64 | 3:43.96 |
| 10. | Samuel MUNRO | 15 | St Felix Sch | 4:14.38 | 690 | | 28.71 | 1:00.22 | 1:32.52 | 2:05.21 | 2:38.01 | 3:10.87 | 3:42.97 |
| 11. | Jack HOLLIS | 14 | teamipswich | 4:17.31 | 669 | | 28.87 | 1:00.59 | 1:32.92 | 2:05.57 | 2:38.21 | 3:11.51 | 3:44.93 |
| 12. | Lewis MATTIN | 18 | UEA Norwich | 4:17.44 | 668 | | 29.48 | 1:01.74 | 1:34.51 | 2:07.25 | 2:39.74 | 3:12.39 | 3:45.16 |
| 13. | Mark COLLINS | 15 | Kings Lynn | 4:18.07 | 664 | | 29.43 | 1:01.63 | 1:34.44 | 2:07.40 | 2:40.19 | 3:12.99 | 3:45.83 |
| 14. | Andrew WILKINSON | 15 | Co Cambridge | 4:20.43 | 648 | | 29.49 | 1:02.54 | 1:36.21 | 2:10.33 | 2:43.46 | 3:17.30 | 3:49.85 |
| 15. | Richard JEFFERIES | 13 | Co Cambridge | 4:20.72 | 646 | | 30.20 | 1:03.76 | 1:37.41 | 2:11.25 | 2:43.97 | 3:16.76 | 3:49.72 |
| 16. | Jordan BATE | 16 | UEA Norwich | 4:21.07 | 643 | | 29.14 | 1:01.93 | 1:35.61 | 2:09.24 | 2:42.77 | 3:16.06 | 3:49.05 |
| 17. | Caleb HUGHES | 13 | Mid Beds | 4:21.60 | 640 | | 29.87 | 1:02.32 | 1:35.58 | 2:08.87 | 2:42.28 | 3:15.78 | 3:49.25 |
| 18. | Lewis FARMER | 15 | Lstoft & OB | 4:22.20 | 636 | | 28.89 | 1:01.40 | 1:35.05 | 2:08.86 | 2:42.43 | 3:16.03 | 3:49.46 |
| 19. | Miles GARNER | 14 | UEA Norwich | 4:26.22 | 609 | | 29.77 | 1:02.71 | 1:36.55 | 2:10.88 | 2:44.99 | 3:19.29 | 3:53.11 |
| 20. | Robert BALDRANCE | 16 | Mid Beds | 4:27.95 | 598 | | 30.22 | 1:04.22 | 1:39.57 | 2:14.72 | 2:48.49 | 3:22.15 | 3:56.46 |
| 21. | Robbie MITCHELL | 17 | Kings Lynn | 4:28.34 | 596 | | 30.26 | 1:02.73 | 1:35.64 | 2:09.13 | 2:43.22 | 3:17.80 | 3:53.17 |
| 22. | Lewis HUGHES | 14 | UEA Norwich | 4:29.19 | 591 | | 30.01 | 1:03.83 | 1:37.86 | 2:12.40 | 2:47.33 | 3:22.06 | 3:56.58 |
| 23. | Christian STOKES | 15 | Biggleswade | 4:32.45 | 571 | | 30.19 | 1:03.45 | 1:37.61 | 2:12.16 | 2:47.41 | 3:22.50 | 3:57.87 |
| 24. | Mehmet GUNDOGDU | 17 | Hatfield | 4:33.72 | 563 | | 30.37 | 1:03.68 | 1:38.29 | 2:13.17 | 2:48.02 | 3:23.29 | 3:59.07 |
| 25. | Jack SPENCE | 13 | Watford | 4:34.74 | 557 | | 29.88 | 1:03.80 | 1:38.57 | 2:13.93 | 2:49.22 | 3:24.65 | 4:00.15 |
| Callum McCOLGAN | 15 | Lstoft & OB | DNC | | | | | | | | | |
