This past weekend is usually the coldest of the year for water temperatures in Gorleston-on-Sea in Norfolk but that didn't stop 125 people having a dip.
They raised more than £10,000 for the Cystic Fibrosis Trust. It was organised by Alexandra and Kevin Sayers whose four year old son Enzo was diagnosed with the disease as a baby.
Click below to watch the report from ITV News Anglia's Megan Boot:
More top news
All week we've been telling you inspiring tales of some of the region's unsung heroes.
Dry through the evening but cloud will spread in followed by outbreaks of rain. The winds will strengthen during the early hours.
A Norwich MP has apologised "unreservedly" after a video of him telling someone to "get on your knees b****" emerged.