12 were the number of teams who competed in Men's welterweight boxingat the Games of the XXXI Olympiad . 136 from 25 nations were the competitors in Men's welterweight boxingat the Games of the XXXI Olympiad . 1 August was when it was held . Men's welterweight boxingat the Games of the XXXI Olympiad was founded on 5 September 1971 . The venue for Men's welterweight boxingat the Games of the XXXI Olympiad was Olympic Indoor Hall (artistic and trampoline) . The official site of Men's welterweight boxingat the Games of the XXXI Olympiad is city2surf.com.au
In the sport Men's welterweight boxingat the Games of the XXXI Olympiad ,30 nations participated