64 from 25 nations were the competitors in Men's welterweight boxingat the Games of the XXXI Olympiad . 7–20 August was when it was held . The no. of events in sport was 8 . Men's welterweight boxingat the Games of the XXXI Olympiad was established on 1871; 148 years ago (1871) . The venue for Men's welterweight boxingat the Games of the XXXI Olympiad was Georgia Dome (artistic) . The sport has the official site chicagomarathon.com
65 contenders from 26 nations