The Tough Mudder

Twenty-five seconds into the course my thighs were on fire. My first thought was, “Oh, no. That can’t be good. I’m going to be running out here for three hours, and I’m already tired! ”

I was wrong. I would be out there for five hours, and I would not be running. Not very much, anyway. About thirty-five seconds into the course I had to stop running and…