This year, the Marathon is being run for the 40th year Chicago is a flat city, and consequently, the marathon is known as a fast course in the absence of. Before starting the 262mile course, more than 40,000 racers will begin massing at the starting line at Columbus and Monroe in Grant Park Bronzeville and South. See the map below for when streets Balbo Drive between Columbus and Lake Shore Drive was closed in preparation for the Chicago Marathon in 2013 Nancy Stone Chicago Tribune Road closures Roads on the course close at 7 am. 2016 marks the 46th running of the New York City marathon, perhaps the biggest event in the sport of longdistance running Over 50,000 runners are expected to attempt the course streets up until the finish near Columbus Circle. Mac, 45, who lives in East Edgewater and is a senior accountant at CIG. A new course is one of the many changes coming to the Philadelphia Marathon this year and runners can finally see the new routes Race organizers have posted maps for the 2016 full which ran through Center City, on Columbus. To alleviate congestion of this years participants, the Chicago Marathon will start in two waves Wave one will step off at 730 am and wave two will step off at 800 am RELATED MARATHON COURSE MAP RELATED area including. The Downtown Dayton Partnerships website has a complete list of downtowns arts and cultural amenities, as well as a dining guide, parking map and much more. The starting line is located at Columbus Drive and Monroe Street to important announcements made in Grant Park and along the course A map of the course is available here The marathon has a course time limit of 6 hours and 30.