| Event: | Men's 400 metre freestyle S10 |
| Games: | 2020 Summer |
| Venue: | Tokyo Aquatics Centre |
| Dates: | 1 September 2021 |
The Men's 400 metre freestyle S10 event at the 2020 Paralympic Games took place on 1 September 2021, at the Tokyo Aquatics Centre.
The swimmers with the top 8 times, regardless of heat, advanced to the final.[1]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 4 | 4:07.17 | ||||
| 2 | 1 | 5 | 4:14.65 | ||||
| 3 | 2 | 5 | 4:15.52 | ||||
| 4 | 2 | 4 | 4:15.67 | ||||
| 5 | 1 | 3 | 4:16.60 | ||||
| 6 | 1 | 6 | 4:17.78 | ||||
| 7 | 2 | 6 | 4:18.99 | ||||
| 8 | 2 | 3 | 4:26.82 | ||||
| 9 | 2 | 2 | 4:32.51 |