Heats Mens Open 400m IM
| Place | Name | YoB | Club | Time | R.Time | | 50 | 100 | 150 | 200 | 250 | 300 | 350 |
| 1. | Robin FRANCIS | (82) | Bath Univ | 4:27.72 | + 0.81 | | 27.54 | 59.70 | 1:35.30 | 2:09.81 | 2:48.26 | 3:26.28 | 3:58.67 |
| 2. | Thomas HAFFIELD | (88) | Co Cardiff | 4:28.09 | + 0.81 | | 28.44 | 1:01.12 | 1:35.67 | 2:09.57 | 2:48.47 | 3:27.18 | 3:58.73 |
| 3. | Joe ROEBUCK | (85) | Loughboro Un | 4:30.57 | + 0.87 | | 27.54 | 59.09 | 1:35.57 | 2:10.78 | 2:49.38 | 3:28.39 | 4:00.17 |
| 4. | Neil ASHCROFT | (83) | Co Coventry | 4:31.26 | + 0.79 | | 28.67 | 1:01.83 | 1:37.77 | 2:12.73 | 2:50.30 | 3:28.78 | 4:01.26 |
| 5. | Euan DALE | (85) | Loughboro Un | 4:31.58 | + 0.90 | | 28.02 | 1:00.36 | 1:35.95 | 2:09.87 | 2:48.75 | 3:26.92 | 4:00.23 |
| 6. | Lewis SMITH | (88) | Warrender | 4:31.77 | + 0.82 | | 29.04 | 1:01.72 | 1:36.69 | 2:10.62 | 2:49.63 | 3:28.97 | 4:01.41 |
| 7. | Daniel HALKSWORTH | (86) | Co Coventry | 4:32.31 | + 0.80 | | 29.19 | 1:02.49 | 1:37.58 | 2:11.89 | 2:50.18 | 3:28.66 | 4:00.80 |
| 8. | Jonathan COOK | (89) | Nova Cent'n | 4:33.94 | + 0.84 | | 29.05 | 1:02.20 | 1:37.84 | 2:12.65 | 2:51.30 | 3:30.59 | 4:02.84 |
| 9. | Stuart BLOOR | (84) | StirlingSwim | 4:34.19 | + 0.70 | | 28.78 | 1:00.81 | 1:35.69 | 2:10.52 | 2:50.41 | 3:31.09 | 4:03.18 |
| 10. | Edward DOWNES | (87) | Maxwell | 4:36.40 | + 0.81 | | 28.69 | 1:01.69 | 1:38.50 | 2:14.07 | 2:52.62 | 3:31.87 | 4:04.57 |
| 11. | John MOLYNEAUX | (88) | Portsmouth N | 4:38.22 | + 0.79 | | 29.26 | 1:02.69 | 1:37.41 | 2:11.37 | 2:52.99 | 3:34.82 | 4:07.51 |
| 12. | Michael JAMIESON | (88) | Co Glasgow | 4:39.74 | + 0.84 | | 29.90 | 1:03.97 | 1:39.84 | 2:14.35 | 2:54.18 | 3:33.29 | 4:07.37 |
| 13. | Xavier MOHAMMED | (90) | Bexley | 4:41.34 | + 0.80 | | 30.00 | 1:04.08 | 1:39.37 | 2:12.67 | 2:53.70 | 3:35.50 | 4:09.67 |
| 14. | James STOCKDALE | (88) | Portsmouth N | 4:43.16 | + 0.82 | | 29.74 | 1:04.77 | 1:41.20 | 2:15.72 | 2:58.42 | 3:40.25 | 4:12.21 |
| 15. | Nick BARBER | (87) | Portsmouth N | 4:44.07 | + 0.97 | | 28.60 | 1:01.78 | 1:38.39 | 2:14.43 | 2:54.85 | 3:36.95 | 4:10.94 |
| 16. | Paul MORREN | (90) | Co Leeds | 4:45.37 | + 0.72 | | 29.12 | 1:02.19 | 1:38.17 | 2:13.91 | 2:57.01 | 3:40.39 | 4:13.69 |
| 17. | Adam BROWN | (89) | Hatfield | 4:46.49 | + 0.88 | | 28.94 | 1:02.41 | 1:39.61 | 2:16.69 | 2:57.07 | 3:38.99 | 4:13.07 |
| 18. | Adrian O'NEILL | (89) | Co Aberdeen | 4:47.56 | + 0.85 | | 29.70 | 1:05.04 | 1:43.54 | 2:22.03 | 3:02.68 | 3:44.87 | 4:16.40 |
| 19. | Martin COX | (89) | Portsmouth N | 4:49.75 | + 0.90 | | 29.31 | 1:01.76 | 1:38.86 | 2:14.77 | 2:57.85 | 3:41.51 | 4:16.48 |
| 20. | Thomas HOWE | (89) | Kelly Coll | 4:58.40 | + 0.72 | | 29.68 | 1:04.86 | 1:44.05 | 2:22.10 | 3:06.32 | 3:50.89 | 4:25.58 |
| 21. | David LYNCH(F) | (89) | Leatherhead | 4:59.41 | + 0.76 | | 30.06 | 1:05.07 | 1:42.05 | 2:19.58 | 3:04.24 | 3:49.87 | 4:25.05 |
| Jonathan QUINN | (90) | Hatfield | DQ | SL-2L | | 29.91 | 1:04.33 | 1:39.79 | 2:15.13 | 2:53.77 | 3:33.78 | 4:07.18 |