The venue for Judoat the Games of the XXXI Olympiad was Melbourne Park (since 1988),Carioca Arena 2 . The no. of events in sport was 18 . The sport has the official site city2surf.com.au . 17 were the number of teams who competed in Judoat the Games of the XXXI Olympiad . 136 from 29 nations were the competitors in Judoat the Games of the XXXI Olympiad . 1–12 August was when it was held
The sport Judoat the Games of the XXXI Olympiad has 137 contenders  from more than 42 nations