People get into running for many reasons&mdash;health, competition, even insanity I&amp;#8217;m often told&mdash;but it&amp;#8217;s hard to argue with the logic of running for the sake of indulgence. No wonder then that the Hot Chocolate 15K/5K has almost instantly become one of Chicago&amp;#8217;s larger races, tripling in size to nearly 12,000 runners in this, its second [...]