The spookiest month of the year is officially upon us, packed with events that will make you feel lucky that you're in Chicago. Make a sign and cheer on tireless runners along the Chicago Marathon's sprawling 26.2-mile route. Get a new perspective while touring the interiors of some of the city's most beautiful buildings during Open House Chicago. Of course, you'll want to put on a costume and close out October with some frightening Halloween festivities.
RECOMMENDED: Events calendar for Chicago in 2017
Featured events in October 2017
Each October, 45,000 runners hit the streets of Chicago and take a 26.2 mile tour of the city on foot. It's too late to enter this year's race, but you can cheer on participants at locations all around the city, including popular spots like Chinatown, Lincoln Park and at the finish line in Grant Park.