Are you a runner who bolts for the finish line, eager to get there, one prize in mind? I used to be that way - kind of headstrong and determined to get things done. I am not so much that way any longer - sometimes I need to step back and take in what is happening around me more than I need to make it across whatever "finish line" I have imposed. Far too many of us have our eyes set on earthly goals, all the while neglecting or forgetting the heavenly goals God has for each of us. Yes, God wants us to have an aim, but I don't think he wants these earthly aims to consume us to the point we neglect relationship with him or others. The most profound portion of this passage is the very last statement: "I will still be qualified to win the prize." In running, we can attain all kinds of prizes along the way. In making it across the finish line, we can win but one prize - the prize of having crossed the end point well.
Unlike earthly races in which one wins and all others just "place" somewhere in the list of those who "finish", all of us will cross the finish line with Christ - all of us "winners" of the crown. As we run, our focus determines our drive - without a focus for the right goal, we can find ourselves stopping short of where God wants us to be. Lewis also said, " If I find in myself a desire which no experience in this world can satisfy, the most probable explanation is that I was made for another world." What is it that causes you to hunger or thirst? If it is something that things in this world can satisfy, might I suggest your hunger (and mine) is just not created by the right focus or aim. When we find satisfaction in the things of this world, we are limiting the supreme satisfaction which God has prepared for us in his! Just sayin!