To any sane person, this begs the immediate question of why we do it. Why would we put ourselves through such experiences? Why risk sickness? Why go out into the cold? I must admit, when I get off work and am driving to my running launch point, I often wonder such things. I often find myself asking, is it worth it?
Sitting at a keyboard, it is certainly easy to say "of course it is, you can get X and Y and Z out of it and see benefits A and B and C and you can do this, and, and, and..." But when it comes time to put rubber to road, we're all faced with that same question.
Is it worth it?
I think that when we opt out of our runs, the answer is apparently that it is not; however, when we, as runners, can get past these questions that plague us prior to our runs, more often than not, once we get into the act of running itself, the answer becomes a resounding yes.
Is it worth it? This cold, drenched, slightly fatigue runner trudging back inside afterward would have to give a hearty affirmative.