Men's 50 kilometre freestyleat the XXII Olympic Winter Games was founded on 1977 . Chicago, Illinois, United States were the venues of Men's 50 kilometre freestyleat the XXII Olympic Winter Games . 12 were the number of teams who competed in Men's 50 kilometre freestyleat the XXII Olympic Winter Games . The no. of events in sport was 14 . 40 from 30 nations,64 from 25 nations,386 from 138 nations competed in Men's 50 kilometre freestyleat the XXII Olympic Winter Games . The sport has the official site chicagomarathon.com . 28 July – 3 August 2012 was when it was held
In the sport Men's 50 kilometre freestyleat the XXII Olympic Winter Games ,30 nations participated