The men's time trial H3 road cycling event at the 2020 Summer Paralympics took place on 31 August 2021, at Fuji Speedway, Tokyo.

16 riders competed in the event.

[1] The H3 classification is for paraplegics with impairment from T4 thru T10.

These riders operate a hand-operated cycle.

The event took place on 31 August 2021, at 9:40:[2]