Hats off to Chicago Marathon runners who are so nonchalant about enduring 26.2 miles that they do it in costume. Say, dressed like a slice of bacon. Or wearing a crazy hat that must get really annoying by the 10-mile mark. Spectators holding signs also get into the costume game, much easier to do when you're standing on the sidelines. Here are our favorites from the 2014 race.
RECOMMENDED: Chicago Marathon guide