40 from 30 nations competed in Men's road time trialat the Games of the XXXI Olympiad . 10 August 2016 was when it was held . The venue for Men's road time trialat the Games of the XXXI Olympiad was Pontal, Rio de Janeiro,54.5 km (33.9 mi)
The sport Men's road time trialat the Games of the XXXI Olympiad has more than34 contenders  from 30 nations