Men's welterweight boxingat the Games of the XXXI Olympiad was established on 2005 . 12 events were there in Men's welterweight boxingat the Games of the XXXI Olympiad . North Greenwich Arena were the venues of Men's welterweight boxingat the Games of the XXXI Olympiad . 7–21 August 2016 was when it was held . 12 teams competed in Men's welterweight boxingat the Games of the XXXI Olympiad . 200 from 43 nations competed in Men's welterweight boxingat the Games of the XXXI Olympiad
200 contenders from 43 nations