I ran 90 miles this week. Here's what I learned.

After running 26.2 miles on Monday to commemorate the Boston Marathon that never happened, I proceeded to run a 90-mile week. The idea to run 90 miles in one week came from my coach. The idea to start it off with a marathon was mine. Together, we make a crazy team!

Why run a 90 mile week? With no races on the calendar, my coach thought it would be a good way to challenge myself and also discover what I was capable of. I wasn't trying to make any fitness gains. In order to do that, I would have...