I was looking through some personal blog posts at xinu.org and came across the first mention of Geekfit:

…then I started writing about the new podcast that Jason and I are trying to get off the ground. We decided to call it geekfit.com but we’re still working on the format. For my part I want to talk about how it’s possible to be a geek (read: sedentary lifestyle) and be fit at the same time.

Original story: http://blog.xinu.org/2006/04/05/92/