I've watched enough of the Olympics to know that most of the gold medal winners need to push through pain and weariness in order to accomplish their goal. To reach a desired goal we must all determine in our hearts that no matter what obstacles we encounter, we will push through.
I Corinthians 9:24 "Do you not know that in a race all the runners run, but only one gets the prize? Run in such a way as to get the prize." (NIV)