Note: I wrote this before my DUNKdeadline of March 1, 2013. I get it. don't show this again.

The Story

How many people do you know who are training to run or have run a marathon?
Probably quite a few.
What about a century ride?
Maybe not as many, but still some.
What about a triathlon?
Still fewer, but it's not unheard of.

So, are these physical goals hard?