19:00Olympic Swimming2008Highlights: Men's 10km MarathonBBC Sport Duration: 1 hour Thu 21st Aug 2008, 19:00 on Red Button (Satellite and Cable)Highlights from the men's 10km marathon swim, featuring medal hope David Davies of Wales.GenresSportSwimmingSportOlympicsBrandOlympic SwimmingSeriesOlympic Swimming: 2008 Source: BBC Online