12:00Olympic Swimming2008Heats: Day SixBBC Sport Duration: 45 minutes Thu 14th Aug 2008, 12:00 on Red Button (Satellite and Cable)Live coverage of the women's 800m freestyle and men's 100m butterfly heats.GenresSportSwimmingSportOlympicsBrandOlympic SwimmingSeriesOlympic Swimming: 2008 Source: BBC Online