Back in 2003, I ran the Philadelphia Marathon. I was 24 years old. That was almost 20 years ago. Wow. I’m getting old. Anyway, I ran the marathon on a beautiful day in October in Pennsylvania. The morning was cool and it warmed up to the point I could run without a shirt. This allowed spectators and other runners to see what Kristina had written in Sharpie across my chest: “I’d rather be preaching.” As I ran the 26.2 miles in Philly, I availed myself of the drink stations to stay...