01:15Olympic SnowboardingVancouver 2010Men's Halfpipe - Semi-FinalBBC Sport Duration: 45 minutes Thu 18th Feb 2010, 01:15 on Red Button (Freeview)Action from the semi-final of the men's halfpipe snowboarding event.GenresSportWinter OlympicsSportWinter SportsSportSnowboardingBrandOlympic SnowboardingSeriesOlympic Snowboarding: Vancouver 2010 Source: BBC Online