Sports
Chicago Marathon Owners Use ‘Crowd Science’ To Keep Track Of Runners Along The Race Course
With such huge crowds coming out for the second-largest marathon in the world, organizers want to know exactly where the runners are.
CHICAGO — In two days, more than 40,000 runners will descend on Grant Park for the 2019 Chicago Marathon, and more than 1 million people are expected to line the race route to watch.
With such huge crowds coming out for the second largest marathon in the world, it’s important for organizers to know exactly where the runners are at any time. Organizers call it crowd science.
