The venue for Chicago Marathon was Paris, XVIe,France . It was held in April 23–29 . 16 (from 6 confederations) teams participated in Chicago Marathon . 28 from 28 nations were the competitors in Chicago Marathon . The official site of Chicago Marathon is www.hardrock100.com . The no. of events in sport was 18 . Chicago Marathon was established on 2005
The website has domain name com