Chicago Marathon was established on 1881; 138 years ago (1881) . The no. of events in sport was 8 . It was held in 28 July – 12 August 2012 . 16 (from 6 confederations) teams competed in Chicago Marathon . The venue for Chicago Marathon was Fort Copacabana,241.5 km (150.1 mi) . The official site of Chicago Marathon is www.hardrock100.com
Chicago Marathon was held at Sydney Super Dome (artistic and trampoline) on 5 August