The no. of events in sport was 12 . The sport has the official site chicagomarathon.com . Open ground were the venues of Men's handballat the XXXI Olympiad . It was held in 19–20 August . 18 from 18 nations were the competitors in Men's handballat the XXXI Olympiad . 12 teams competed in Men's handballat the XXXI Olympiad
18 contenders from 18 nations