Nerdfitness is a community and website for nerds looking to get in shape and stay in shape. For information check out http://nerdfitness.com : A fitness website for nerds and average Joes. Helping you lose weight, get stronger, live better. Join this group if you'd like to meet some nerds who share some of your interests and health goals.
We'll meet monthly for activities and to support each other during the 6 week challenges. All meetups are free. Activities might just be dinner, or we'll learn about cooking healthy, or try a new exercise, whatever the group is interested in.
This meetup isn't commercial in any way, you don't need to buy any services to participate. Nerdfitness has an active set of free forums http://rebellion.nerdfitness.com/ that provides a great online community, but I know nerds like to meetup face-to-face sometimes too!
Since we're nerds, we like to chat online. NerdFitness has an IRC channel on Quakenet called #nerdfitness. Web UI here.