Sometimes such an injury may be due to increased running, fatigue, sickness, etc and have nothing at all to do with your shoe.

I seem to notice every five years or so I get a notch slower.

You always want it dry, low humidity if possible.

Experiment with changing your pace in those runs, especially long runs when you feel strong.

Anybody can be a runner, ... We were meant to move. We were meant to run. It's the easiest sport.

One thousand dollars, that's what Frank Shorter said I should ask for. That's what he got. I said, 'Oh, OK.' It was kind of like we were criminals. You'd get paid in an envelope secretly.