Before showing up at a starting line, one should do at least a little training.  There are countless training plans for every distance that tell you how far, how fast, and how often to run to achieve your goal.  And, they work!  If you stick to the plan, your body will be prepared to meet your goal.  But, physical preparation’s not enough … you have to go mental … in a good way.  If you plan to push your body in a race, PAIN will eventually greet you.  Your body will rebel, saying things like, “you’re an idiot – if you would STOP, the pain would go away,” and “Yep, this is your hamstring barking once more; why are you doing this AGAIN?”  Overcoming…