Self Confidence and the four sources for your running performance

It was 2008 and I was on the starting line of the New York City Marathon. I had just completed the best training segment of my entire life. Yet, here I was petrified, staring at the world’s best runners (Olympic medalists, world record holders, and past champions). Needless to say, I underperformed and left incredibly disappointed. Fast forward to 2011. I was on the starting line of the Rock n Roll Marathon in San Diego. Nothing in my training block had stood out. I was ready to accept whatever outcome happened, but I was calm, relaxed, and…