17:30Olympic Cross-Country SkiingVancouver 2010Men's 50km Mass Start ClassicBBC Sport Duration: 2 hours, 45 minutes Sun 28th Feb 2010, 17:30 on Red Button (Freeview)Coverage of the men's 50km mass start classic event in the cross-country skiing competition.GenresSportWinter OlympicsSportWinter SportsSportCross Country SkiingBrandOlympic Cross-Country SkiingSeriesOlympic Cross-Country Skiing: Vancouver 2010 Source: BBC Online