The pride in finishing a marathon is much greater than all the pain endured during the marathon.
There is no such thing as an average runner. We are all above average.
Keep your dream in front of you. Never let it go regardless of how farfetched it might seem.
Even when you have gone as far as you can, and everything hurts, and you are staring at the specter of self-doubt, you can find a bit more strength deep inside you, if you look closely enough.
Rested, Refreshed, and Ready to run, the three Rs of peak performance.