12 (from 4 confederations) were the number of teams who competed in Men's road time trialat the Games of the XXX Olympiad . It was held in April 23–29 . The sport has the official site chicagomarathon.com . The no. of events in sport was 3 . 1891; 128 years ago (1891) is when Men's road time trialat the Games of the XXX Olympiad was established  . Maria Lenk Aquatic Center were the venues of Men's road time trialat the Games of the XXX Olympiad . 200 from 43 nations competed in Men's road time trialat the Games of the XXX Olympiad
The sport Men's road time trialat the Games of the XXX Olympiad has more than178 contenders  from 43 nations