20:50Sporting WitnessKirsty Coventry - Zimbabwe's Golden GirlBBC World Service Duration: 9 minutes Sat 25th Mar 2017, 20:50 on BBC World Service West and Central AfricaAvailable for over a yearListen nowThe Zimbabwean swimmer who became Africa's most decorated Olympian. Show more GenresSportFormatsDocumentariesBrandSporting Witness Source: BBC Online