The sport is no stunt, as swimmer Mackenzie Koeck and her support crew learned in the yearlong runup of preparation.

Charlotte Brynn winter swimming in Lake Willoughby. Photo courtesy of Charlotte Brynn/CNS Kate Kampner is a reporter with the Community News Service, part of the University of Vermont’s Reporting & ...

Peak swimming temperatures in the Great Lakes typically occur in late summer/early fall. Swimming in cold lake water can lead to cold shock and hypothermia. The official start of summer is June 20, ...

Before there was a Polar Bear Plunge on New Year's Day in Milwaukee, there was the Milwaukee Polar Bear Club. And its members didn't just dive into frigid Lake Michigan on the first day of the year.