2019 World Para Athletics Championships – Men's 400 metres

The men's 400 metres at the 2019 World Para Athletics Championships was held in Dubai from 7–15 November.

Round 1
First 1 of each heat (Q) and the next 1 fastest (q) advance to the final.

Final
The final was started on 11 November at 19:02.

Round 1
First 1 of each heat (Q) and the next 7 fastest (q) advance to the semifinals

Semifinals
First 1 in each heat (Q) and the next 1 fastest (q) advance to the final.

Final
The final was started on 9 November at 18:42.

Round 1
First 3 in each heat (Q) and the next 2 fastest (q) advance to the final.

Final
The final was started on 9 November at 19:19.

Round 1
First 2 in each heat (Q) and the next 2 fastest (q) advance to the final.

Final
The final was started on 10 November at 19:50.

Round 1
First 3 in each heat (Q) and the next 2 fastest (q) advance to the final.

Final
The final was started on 9 November at 19:41.

Round 1
First 3 in each heat (Q) and the next 2 fastest (q) advance to the final.

Final
The final was started on 14 November at 10:54.

Round 1
First 3 in each heat (Q) and next 2 fastest (q) advance to the final.

Final
The final was started on 9 November at 20:11.

Round 1
First 3 in each heat (Q) and next 2 fastest (q) advance to the final.

Final
The final was started on 8 November at 19:19.

Final
The final was started on 14 November at 9:50.

Round 1
First 3 in each heat (Q) and next 2 fastest (q) advance to the final.

Final
The final was started on 9 November at 19:33.

Round 1
First 3 of each heat (Q) and the next 2 fastest (q) advance to the final.

Final
The final was started on 9 November at 20:35.

Round 1
First 3 of each heat (Q) and the next 2 fastest (q) advance to the final.

Final
The final was started on 9 November at 20:27.

Round 1
First 3 of each heat (Q) and the next 4 fastest (q) advance to the semifinals.

Semifinals
First 3 of each heat (Q) and the next 2 fastest (q) advance to the final.

Final
The final was started on 9 November at 20:35.

Final
The final was started on 9 November at 20:35.