He ran 16 : 40 in 2013 , clocked 16 : 34 last year and shaved another six seconds off Sunday .
In fact , O'Brien has gotten faster in each of his last three Sol Lipton wins .
O'Brien ran 16 : 40 in 2013 , clocked 16 : 34 last year and shaved another six seconds off Sunday .
In fact , O'Brien has gotten faster in each of his last three Sol Lipton wins .