This year’s event will take place Saturday, April 13 at Windsor Lake. Check in will open at 8 a.m. at Boardwalk Park, 100 N. 5th St., with the 5K slated to start at 9 a.m, according to a town release. The polar plunge will start at 10 a.m., and an After Splash Bash will kick off at 10:30 at Peculiar Ales Brewery.