Get Fit with Boll Family YMCA FOX 2 Detroit Published July 28, 2016 9:53 AM EDT Share Copy Link Email Facebook Twitter LinkedIn Reddit Published July 28, 2016 9:53 AM EDT Boll Family YMCA stopped in to show off the pound workout. They're offering free workout at Campus Martius Park every Tuesday from 6:30 pm to 7:30 pm. Check out the YMCA here, and all Campus Martius events here.