2 August was when it was held . Silverton, Colorado,Olympic Indoor Hall (artistic and trampoline) were the venues of Hardrock Hundred Mile Endurance Run . Hardrock Hundred Mile Endurance Run was established on 1884; 135 years ago (1884) . The no. of events in sport was 6 . The sport has the official site chicagomarathon.com
There were 6 games in Hardrock Hundred Mile Endurance Run