The no. of events in sport was 18 . It was held in May 27 – June 13 . The sport has the official site chicagomarathon.com . 24 (from 5 confederations) teams competed in Judoat the Games of the XXXI Olympiad . 5 September 1971 is when Judoat the Games of the XXXI Olympiad was founded  . 386 from 138 nations,136 from 29 nations competed in Judoat the Games of the XXXI Olympiad . The venue for Judoat the Games of the XXXI Olympiad was Pauley Pavilion,Carioca Arena 2
More than 24 games were held in Judoat the Games of the XXXI Olympiad