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