It was held in late October or early November . The no. of events in sport was 6 . The venue for Hardrock Hundred Mile Endurance Run was Stade Roland Garros (since 1928) . The sport has the official site chicagomarathon.com . 16 from 8 nations were the competitors in Hardrock Hundred Mile Endurance Run . 12 (from 4 confederations) were the number of teams who competed in Hardrock Hundred Mile Endurance Run . 1977 is when Hardrock Hundred Mile Endurance Run was established 
The website has domain name in