Brave the cold Atlantic for charity. Raise funds for the Special Olympics.–conquer cold conditions while diving into the chilly Atlantic Ocean. Contestants are encouraged to dress up, find their inner superhero and can opt for the 5K Run-N-Plunge, a one mile fun walk or just the Plunge. You can even take the Plunge with your pooch! No matter which option you choose, the day is sure to leave you smiling with music, vendors, games and food trucks.