Hundreds of swimmers ran into the frigid Dorchester Bay waters Thursday morning for the 112th Annual Polar Bear Plunge.
Saturday marked the third annual passion plunge in honor of 30-year-old Pete Frates who battles ALS.
State officials say the polar plunge challenge is spreading over social media.
While the temperatures were mild for January in New England, some brave souls decided to test the waters of the Atlantic with a good cause in mind on Saturday.
Despite the snow and freezing temperatures, a handful of daredevils hopped into the bay off Wollaston Beach on Saturday.
It seems like it is becoming a surefire way to raise money for charity: taking a dip in the freezing-cold ocean.