24 (from 5 confederations) were the number of teams who competed in Judoat the Games of the XXXI Olympiad . The no. of events in sport was 18 . May 27 – June 13 was when it was held . The sport has the official site chicagomarathon.com . The venue for Judoat the Games of the XXXI Olympiad was Pauley Pavilion,Carioca Arena 2 . 386 from 138 nations,136 from 29 nations were the competitors in Judoat the Games of the XXXI Olympiad . Judoat the Games of the XXXI Olympiad was established on 5 September 1971
Judoat the Games of the XXXI Olympiad event has celebrated it's  Silver jubilee on 1996