28 July,12 August was when it was held . 28 from 28 nations competed in Men's middleweight boxingat the Games of the XXX Olympiad . The venue for Men's middleweight boxingat the Games of the XXX Olympiad was ExCeL Exhibition Centre
The sport Men's middleweight boxingat the Games of the XXX Olympiad has less than38 contestants  from 28 nations