There's No Such Thing As Free Exercise

Blog:  I think we can all relate to this article.  To those on the outside, running appears to be a free sport.  It doesn't cost money to go outside and run.  However, as well know, it does take some money to get all the proper gear.  If you're a gadget freak like me, you spend even more.  I'd like to know how much I've spent on shoes, clothes, iPod's, hydration devices, race fees etc.  I guess I could try to calculate it, but that would be way too depressing.

What have been your biggest expenses? 

Here's a link to the article