Yes I did, I jumped off a pier and went into 32.1 degree water and raised $10,826 american dollars for a women's shelter. The swim back from the pier to land was around one half a mile. You could either get in a boat and ride back or swim. If you swam you earned extra money for charity which I did swim. Only 11 of us did and we split the swim pot for our charities. Oh and I was the only woman who swan back.
I had so much fun.