I use Strava to track my bicycle rides. Below you can see my recent activity.
If you're looking for a great cause, check out the recent developments over at the Children's Discovery Institute website, located at www.childrensdiscovery.org
This site recently launched on the DotNetNuke Platform, utilizing the Engage: Publish module for some of the Content Management tasks that DNN doesn't provide. We've had a few people around the office hard at work getting this site up and running over the last few months. It's always good to see a project of this magnitude, and importance launch. The design was created by the great folks over at http://cfx-inc.com/, if you've never seen their office, you have to check it out. They're in an old Catholic Church.
This website runs on the best open source content management system, DotNetNuke, it always runs the latest release.