Heats (Declared Winners) Mens MD 400m Freestyle
Multi-Disability by British Disability Points
| Place | Name | | Club | Cat. | Time | | BDPoints | |
| 1. | Sam Hynd | | Gr Britain | 8 | 4:27.50 | | 986 | |
| | 50m 30.39 | 100m 1:03.05 | 150m 1:36.40 | 200m 2:10.41 | 250m 2:44.73 | 300m 3:19.12 | 350m 3:53.72 | 400m 4:27.50 |
| | 30.39 | 32.66 | 33.35 | 34.01 | 34.32 | 34.39 | 34.60 | 33.78 |
| 2. | Christoph Burkard | | Germany | 8 | 4:35.86 | | 899 | |
| | 50m 33.32 | 100m 1:07.33 | 150m 1:41.53 | 200m 2:16.21 | 250m 2:50.93 | 300m 3:25.99 | 350m 4:00.92 | 400m 4:35.86 |
| | 33.32 | 34.01 | 34.20 | 34.68 | 34.72 | 35.06 | 34.93 | 34.94 |
| 3. | Sean Fraser | | Gr Britain | 8 | 4:39.12 | | 868 | |
| | 50m 31.95 | 100m 1:06.72 | 150m 1:42.02 | 200m 2:17.49 | 250m 2:52.65 | 300m 3:28.46 | 350m 4:04.13 | 400m 4:39.12 |
| | 31.95 | 34.77 | 35.30 | 35.47 | 35.16 | 35.81 | 35.67 | 34.99 |
| 4. | Jiachao Wang | | China | 8 | 4:41.78 | | 844 | |
| | 50m 32.35 | 100m 1:06.88 | 150m 1:42.54 | 200m 2:17.71 | 250m 2:53.33 | 300m 3:29.30 | 350m 4:05.52 | 400m 4:41.78 |
| | 32.35 | 34.53 | 35.66 | 35.17 | 35.62 | 35.97 | 36.22 | 36.26 |
| 5. | Mihovil Spanja | | Croatia | 8 | 4:52.67 | | 753 | |
| | 50m 33.40 | 100m 1:09.61 | 150m 1:46.61 | 200m 2:23.79 | 250m 3:01.14 | 300m 3:38.68 | 350m 4:15.96 | 400m 4:52.67 |
| | 33.40 | 36.21 | 37.00 | 37.18 | 37.35 | 37.54 | 37.28 | 36.71 |
| 6. | Thomas Young | | Gr Britain | 8 | 4:58.64 | | 709 | |
| | 50m 32.87 | 100m 1:10.01 | 150m 1:47.83 | 200m 2:26.06 | 250m 3:04.74 | 300m 3:43.10 | 350m 4:21.55 | 400m 4:58.64 |
| | 32.87 | 37.14 | 37.82 | 38.23 | 38.68 | 38.36 | 38.45 | 37.09 |