As Keith Green said, "You can run to the end of the highway {or trail} and not find what you're looking for, to find yourself you've got to start right here."
There's something competitive in the heart of man that needs to be put to death and left unchecked. It leads to nothing but trouble. I find that competitive urge coming up sometimes when my mind says you should be doing 30's, or you could probably be doing 40's like those guys. I quickly think about how I would rather enjoy the time with my wife and the views on the trail. I already know my identity and it has nothing to do with being the guy who finishes the trail first.
My identity comes from my Creator and it has nothing to do with finishing the trail!