09:55Sports Extra Swimming01/04/2008BBC Radio 5 Sports Extra Duration: 2 hours, 35 minutes Tue 1st Apr 2008, 09:55 on BBC Radio 5 Sports ExtraUninterrupted commentary from the British Championships and Olympic Trials, in Sheffield. Go to bbc.co.uk/sportsextra for more info.GenresSportSwimmingBrandSports Extra Swimming Source: BBC Online