Doggie Costume Parade!
From the Tails in the City website:
You and your dog do not want to miss the 9th annual Tails in the City Halloween Pet Parade! Our Halloween Pet Parade is the largest and most popular pet friendly Halloween events in Chicago. The parade kicks off at 11:00 am from Tails in the City pet boutique located at One East Delaware Place. Join over 200 dogs as we parade to Washington Square Park for an afternoon of fun. Admission is $10 and proceeds go to PAWS Chicago. This event is not to be missed. Costume Contest, prizes, refreshments courtesy of Downtown Dogs, doggie agaility courtesy of K9 University, goodie bags, and much more! This is a rain or shine event.