The venue for Men's welterweight boxingat the Games of the XXXI Olympiad was Olympic BMX Center (BMX),Riocentro – Pavilion 6,Field . The sport has the official site www.hardrock100.com . 17 were the number of teams who competed in 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 . It was held in 7–20 August . 28 from 28 nations,313 from 65 nations were the competitors 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 
Men's welterweight boxingat the Games of the XXXI Olympiad will celebrate it's  Diamond jubilee on 2044