The San Francisco Marathon is a mere 11 days away, but today is National Running Day. So everyone gearing up for 26.2 is now trotting through shorter runs leading up to the big enchilada on June 16. What's a marathoner in mid-taper (or a couch 'tater needing motivation) to do? The sport of running, which tends to grab attention only during the Olympics or when there's a national tragedy or (natural disaster), has garnered a fair amount of cinematic interest over the years; long-distance runners, in particular, give great drama. Double-tie your laces and read on for flicks suitable for watching while you're foam-rolling and dreaming of medals.