This Sunday runners from around the world will compete in the Bank of America Chicago Marathon. Forty-five thousand runners will pack city streets as far north as Addison and as far south as 35th. But a select group of nine runners will race in a class by themselves. Thirty-three years ago each of the nine ran the very first Chicago marathon. And they’ve run every one of them since. We chased down one to find out how he feels after all these years of running.