Team GB's Keri-Anne Payne hopes to win swimming gold

Swimming may have finished in the Olympic pool but there are high hopes of an outdoor medal as the open-water swimmers take to the Serpentine in Hyde Park.

Keri-Anne Payne is the World Champion and she took silver in this gruelling event in Beijing.

She has been speaking to the BBC, describing what it takes to be a long-distance swimmer.

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