Sharks were spotted in the sea, mixing with Santa, reindeer - and even a turkey.
Here are some of Brian Murfield's pictures from the event.
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In pictures - Whitby's Boxing Day dippers brave the freezing North Sea
A large crowd turned out on Boxing Day morning to see a hardy bunch of dippers plunge into the chilly North Sea in the annual money-spinner for Whitby District Lions.
By Duncan Atkins
Published 30th Dec 2019, 12:07 BST
Updated 30th Dec 2019, 12:07 BST