Athletics at the 2020 Summer Paralympics – Men's 400 metres T47

The men's 400 metres T47 event at the 2020 Summer Paralympics in Tokyo, took place between 3 and 4 September 2021.

Records
Prior to the competition, the existing records were as follows:

Heats
Heat 1 took place on 3 September 2021, at 10:38:

Heat 2 took place on 3 September 2021, at 10:45:

Final
The final took place on 4 September 2021, at 21:01: