Ice Swimming includes the Polar Bear Plunge as described by Wikipedia

The members of Canadian and American “polar bear clubs” go outdoor bathing or swimming in the middle of winter. In some areas it is unusual or ceremonial enough to attract press coverage. “Polar bear plunges” are conducted as fund-raisers for charity, notably the Special Olympics
Swimming With Icebergs by NPR science producer Jason Orfanon. (via @TravelinMike)

Standing on the dock edge, with a giant iceberg floating off to my right, a glacier looming far to my left, and Antarctica all around me, I didn’t have a second thought before leaping. I splashed into the water below, and it was cold — but that was dwarfed by invigoration. I felt like I had been shaken awake. Everything around me snapped into clear focus. A triple shot of Antarctic espresso to the brain, with a side of iceberg, please.
Creek Man’s icy swim inspires $5K donation by Dave Choate for seacoastonline.com (via @GoSwim)

A stranger staying at the Stage Neck Inn heard about Gary “Creek Man” Sredzienski’s Sunday swim through frigid waters and the effort to raise money to fight hunger, according to Share Our Strength volunteer Denise Wheeler, and decided he wanted to help out. He wandered into a show being performed by The Serfs, a band that includes Sredzienski, and left after giving the group a $5,000 check.
Furthest Under Ice Swim by Wim Hof for the Guinness World Record (via YouTube)

Dutchman Wim Hof swam 57.5 m. (188.6 ft.) under three feet of an ice lake near the Finnish village of Kolari, deep inside the Arctic Circle on March 16, 2000. Using no special equipment, he wore only swim shorts and a pair of goggles!
Lewis Gordon Pugh To Swim Glacial Lake On Mount Everest from Kast-A-Way Blog previous post (via SwimNetwork)

His purpose is to highlight the impact of global warming and the melting of glaciers. Armed with traditional swim trunks (i.e., no wetsuit or technical swimsuit), goggles and a single swim cap, Pugh is training to swim about 20 minutes in the frigid waters of the Khumbu Glacier.
Blood-pressure response to swimming in ice-cold water by Zenner RJ, De Decker DE, Clement DL hosted by PubMed

Systolic blood-pressure increased significantly while the subjects were waiting undressed in cold air in the cabin by the pond. Neither immersion nor swimming in the ice-cold water caused further increase in systolic blood-pressure, and diastolic blood-pressure showed only a modest rise. 4 min later, blood-pressure had returned to control values.
Santa Speedo Run 2009 Gallery from Bostonist.com, additional photos from the17thman

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