YMCA of Simcoe/Muskoka Opens Doors For Healthy Kids Day Post navigation < > Free Event Aimed At Promoting Healthy Lifestyle. By Newsroom News 30.04.2017 Facebook Twitter YMCA’s across Canada are opening their facilities today for Healthy Kids Day, aimed at promoting healthy lifestyles. A full schedule provided by the YMCA of Simcoe/Muskoka can be found below.