Why Your Running Never Works Out the Way You Plan

and Why that Doesn’t Matter

I used to be a decent sub-seven-minute mile runner, and then I passed forty.

Running is one of those exercise activities that sounds as though it should be easy. I mean, if you can walk, you can walk faster, and if you can walk quickly you can run, right? Right-ish.

I made every mistake in the runner's handbook when I first started running at eighteen. I …