Polar Plunge 2025 Chicago Dates. Join us on sunday, march 2 at north avenue beach for an incredible winter event that supports a good cause! Polar bear plunge day on january 1 is not for the faint of heart or the very timid.

2) setup your fundraising page on givebutter! Join us at north avenue beach on sunday, march 2 to support people with intellectual and developmental disabilities in chicago!