As If You Needed Another Reason

This goes on the list of Reasons-Getting-Old-Sucks.
Yesterday, about a half-mile into my run, a cramp tore through my left calf.  It felt like something vital had been torn.  In my 40+ years of running, I’ve never cramped while in the middle of a run.  Side-stitches, heat exhaustion, dehydration, and even tripping on flat sidewalk and scraping the hell out of my knee are all things that have happened.
Cramping so bad I could barely walk back to the locker room was a first.

Apparen...