The sport has the official site chicagomarathon.com . 12 August was when it was held . 5 September 1971 is when Gymnasticsat the Games of the XXIII Olympiad was established  . The venue for Gymnasticsat the Games of the XXIII Olympiad was Hockey rink or arena, and is sometimes played on a frozen lake or pond for recreation . 16 (from 6 confederations) were the number of teams who competed in Gymnasticsat the Games of the XXIII Olympiad . 8 events were there in Gymnasticsat the Games of the XXIII Olympiad . 136 from 25 nations competed in Gymnasticsat the Games of the XXIII Olympiad
The sport Gymnasticsat the Games of the XXIII Olympiad had more than 147 contenders 