I made a small change to my long distance race routine. On today's 10 for Texas, I carried a $10 bill with me for the first time in my racing career. This is my new emergency measure to take away any possibility of not being able to buy a drink should such a need arises. Knowing I had the bill gave me an extra measure of confidence.
It also allowed me to celebrate my P.R. by buying myself a Grande Coffee at Market Place Starbucks right after the run. :)