The sport has the official site chicagomarathon.com . Pontal, Rio de Janeiro,54.5 km (33.9 mi),ExCeL Exhibition Centre were the venues of Men's middleweight boxingat the Games of the XXX Olympiad . The no. of events in sport was 14 . It was held in 28 July – 9 August 2012,12 August . 12 (from 4 confederations) were the number of teams who competed in Men's middleweight boxingat the Games of the XXX Olympiad . 37 from 31 nations competed in Men's middleweight boxingat the Games of the XXX Olympiad
The sporting event Men's middleweight boxingat the Games of the XXX Olympiad took place on 19–20 August 2016