Heats (Declared Winners) MENS 400 Metres FREESTYLE
| Place | Name | YoB | Club | Time | | | 50 | 100 | 150 | 200 | 250 | 300 | 350 |
| 1. | Simone DELLA VALLE | (84) | ITA | 04:02.57 | | | 00:28.21 | 00:58.43 | 01:29.45 | 02:00.73 | 02:31.47 | 03:02.74 | 03:33.91 |
| 2. | Johan CLAAR | (84) | SWE | 04:02.74 | | | 00:28.16 | 00:58.08 | 01:28.12 | 01:58.51 | 02:28.97 | 03:00.76 | 03:32.18 |
| 3. | Tom HERBERT | (85) | GBR | 04:04.13 | | | 00:28.19 | 00:57.99 | 01:29.14 | 02:00.53 | 02:31.50 | 03:03.73 | 03:34.87 |
| 4. | David MASIP | (84) | ESP | 04:04.21 | | | 00:27.52 | 00:57.94 | 01:28.98 | 02:00.21 | 02:31.21 | 03:02.69 | 03:33.88 |
| 5. | Christian MANZ | (84) | GER | 04:06.30 | | | 00:28.12 | 00:59.00 | 01:30.35 | 02:01.96 | 02:33.51 | 03:05.20 | 03:36.39 |
| 6. | Kristian RUDAS | (85) | GER | 04:07.03 | | | 00:28.32 | 00:58.78 | 01:29.66 | 02:01.03 | 02:32.51 | 03:04.53 | 03:36.37 |
| 7. | Raphael ABOU CHAKRA | (84) | FRA | 04:07.04 | | | 00:27.93 | 00:58.19 | 01:29.24 | 02:00.85 | 02:32.56 | 03:04.64 | 03:36.60 |
| 8. | Fredrik GUSTAVSSON | (85) | SWE | 04:08.05 | | | 00:29.31 | 01:00.21 | 01:31.29 | 02:03.16 | 02:34.48 | 03:06.29 | 03:37.65 |
| 9. | Pierrick LE FLOC'H | (84) | FRA | 04:11.89 | | | 00:29.21 | 01:00.36 | 01:32.25 | 02:04.66 | 02:37.12 | 03:09.75 | 03:41.99 |
| 10. | David VALLDAURA | (84) | ESP | 04:13.12 | | | 00:28.54 | 00:59.48 | 01:30.76 | 02:03.02 | 02:35.26 | 03:08.34 | 03:41.15 |
| 11. | Tom WILLRIDGE | (84) | GBR | 04:13.25 | | | 00:28.88 | 00:59.90 | 01:32.12 | 02:04.43 | 02:36.74 | 03:08.96 | 03:41.67 |