The Chicago Marathon’s Amped Up Security Posted on October 8, 2017 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Organizers say the planning and extra security helped the 40th Chicago Marathon go off without a hitch. CBS 2’s Dana Kozlov reports. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: