When I woke up on the day of the Newport marathon, I hadn’t planned on running 26.2 miles in under four hours. In the five months of training, the thought hadn’t crossed my mind once. When I decided to go for it, it was an hour before the start of the race, and I was staring at a plate of scrambled eggs. If I could finish a marathon in less than four hours, I thought, maybe it would trigger something. The truth is: I don’t run to get in shape. It’s not my escape, or meditation. I run to pursue what the psychologist Abraham Maslow called a “peak experience,” a feeling of perfection. Time slows down during a peak experience. For that reason, it’s…