Chicago Marathon was established on 1881; 138 years ago (1881) . Fort Copacabana,241.5 km (150.1 mi) were the venues of Chicago Marathon . 16 (from 6 confederations) teams competed in Chicago Marathon . It was held in 28 July – 12 August 2012 . The sport has the official site www.hardrock100.com . The no. of events in sport was 8
Chicago Marathon will celebrate it's  Sesquicentennial jubilee on 2049