It was held in 28 July – 3 August 2012 . 12 were the number of teams who competed in Men's 50 kilometre freestyleat the XXII Olympic Winter Games . The sport has the official site chicagomarathon.com . 14 events were there in Men's 50 kilometre freestyleat the XXII Olympic Winter Games . The venue for Men's 50 kilometre freestyleat the XXII Olympic Winter Games was Chicago, Illinois, United States . 40 from 30 nations,64 from 25 nations,386 from 138 nations competed in Men's 50 kilometre freestyleat the XXII Olympic Winter Games . 1977 is when Men's 50 kilometre freestyleat the XXII Olympic Winter Games was founded 
Men's 50 kilometre freestyleat the XXII Olympic Winter Games was held in Chicago, Illinois, United States