40 from 30 nations competed in Men's road time trialat the Games of the XXXI Olympiad . Pontal, Rio de Janeiro,54.5 km (33.9 mi) were the venues of Men's road time trialat the Games of the XXXI Olympiad . 10 August 2016 was when it was held
The sport Men's road time trialat the Games of the XXXI Olympiad has less than46 contenders  from 30 nations