It was held in 19–20 August 2016 . 17 teams participated in Men's 50 kilometre freestyleat the XXII Olympic Winter Games . The sport has the official site www.hardrock100.com . 144 from 63 nations,64 from 25 nations competed in Men's 50 kilometre freestyleat the XXII Olympic Winter Games . 2005 is when Men's 50 kilometre freestyleat the XXII Olympic Winter Games was established  . 18 events were there in Men's 50 kilometre freestyleat the XXII Olympic Winter Games . USTA Billie Jean King National Tennis Center were the venues of Men's 50 kilometre freestyleat the XXII Olympic Winter Games
Less than 37 nations participated in the event