The men's cross-country cycling event at the 2016 Summer Olympics in Rio de Janeiro took place at the Mountain Bike Centre on 21 August.

[1] The medals were presented by Denis Oswald, IOC member, Switzerland and Brian Cookson, President of the UCI Management Committee.

The competition began at 12:30 pm with a mass-start.

The length of the course was 34.52 km (0.57 km + 7 laps of 4.85 km each).

All times are Brasília time