The no. of events in sport was 8 . Chicago Marathon was established on 1881; 138 years ago (1881) . The venue for Chicago Marathon was Fort Copacabana,241.5 km (150.1 mi) . The sport has the official site www.hardrock100.com . 28 July – 12 August 2012 was when it was held . 16 (from 6 confederations) were the number of teams who competed in Chicago Marathon
19 teams competed against each other in Chicago Marathon