Open Water swimming has brought many people to the Lake District in recent years.
It is being described as Britain's fastest growing extreme sport and this summer Buttermere will host the biggest race of it's kind in the UK this year.
It is a 10 kilometer swim and to try to tempt more people to take part, organisers have held a taster swim on Windermere.
Ryan Dollard has this report:
To find out where you can take part in outdoor swimming events, click here.
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