31.   Is there an inborn physiological difference between, say, a sprinter and a marathon runner?

32.   Japan has shown that countries can hit the wall like marathon runners, and despite assertions for years that recovery is just around the corner, it still is.

33.   Like a marathon runner who keeps churning until the finish line, Hal Sutton captured the Players Championship Monday because he refused to beaten.

34.   Marching bands, parachutists, marathon runners and dancing girls all joined in the hoopla attendant upon the arrival of the so-called first bottle.

35.   Marching bands, parachutists, marathon runners and dancing girls all joined in the hoopla.

36.   More important, rats are not marathon runners.

37.   Or take the great marathon runner who finds himself confronted in the final mile by a fresh, rested runner who chooses to race the homestretch.

38.   Same for marathon runners and Red Sox fans.

39.   So, like a marathon runner, Feldman toiled on into the night, laboring diligently while the rest of the world slept.

40.   So carbohydrate loading, used by marathon runners to improve physical performance, might be best used when soldiers first encounter stressful conditions.