7–20 August was when it was held . Olympic BMX Center (BMX),Riocentro – Pavilion 6,Field were the venues of Men's welterweight boxingat the Games of the XXXI Olympiad . 14 events were there in Men's welterweight boxingat the Games of the XXXI Olympiad . 5 September 1971 is when Men's welterweight boxingat the Games of the XXXI Olympiad was established  . The sport has the official site www.hardrock100.com . 28 from 28 nations,313 from 65 nations competed in Men's welterweight boxingat the Games of the XXXI Olympiad . 17 were the number of teams who competed in Men's welterweight boxingat the Games of the XXXI Olympiad
The number of squad in the sport Men's welterweight boxingat the Games of the XXXI Olympiad is 17