The Boston Marathon Course Revisited

About three weeks after running the Boston Marathon, I returned to Boston for a business trip. I was honored to be speaking at a marketing conference on the topic of social media, and my hotel was enticingly close to the Boston Marathon course. So instead of opting for the hotel treadmill, I took a short Uber ride to Newton-Wellesley hospital, which on Marathon Monday is better known as mile marker 17.

My training plan called for a 60-minute run, and my original plan was to run for 30 min...