Hardrock Hundred Mile Endurance Run was established on 1884; 135 years ago (1884) . Silverton, Colorado,Olympic Indoor Hall (artistic and trampoline) were the venues of Hardrock Hundred Mile Endurance Run . The no. of events in sport was 6 . 2 August was when it was held . The official site of Hardrock Hundred Mile Endurance Run is chicagomarathon.com
Hardrock Hundred Mile Endurance Run was established 176 years ago