Hardrock Hundred Mile Endurance Run
DateJuly
LocationSilverton, Colorado
Event typeUltramarathon trail run
Distance100.5-mile (161.7 km)
Established1992
Course recordsKilian Jornet 23:28:10 (2015, counter-clockwise)
Kilian Jornet 22:41:33 (2014, clockwise)
Official sitehttp://www.hardrock100.com/