Here's some info you should know about Sunday's Chicago marathon:
-More than 45,000 runners will be participating in the Bank of America Chicago Marathon.
-The event kicks off at 7:20am and participants have 6 hours and 30 minutes to finish the 26.2 mile race.
-The marathon route starts and ends at Grant Park. The race stretches through 29 neighborhoods. The race this year follows the same route as 2017 with minor tweaks.
HERE'S lots more info from Chicago Curbed about where you can watch and the exact route!