In one of the most exciting innovations in GPS audio tours, IntelliTours has released its first GPS driving tours for Garmin navigators, including the popular Nuvi.
Running Logs for Google Maps is a software package that lets you automatically upload your runs from a GPS watch (like the Garmin Forerunner 201 or 301) to your web site to be displayed in a nifty Google Map. The map will show an animated view of your run
GPS Visualizer is a free, easy-to-use online utility that creates maps and profiles from GPS data (tracks and waypoints), street addresses, or simple coordinates.
An explaination of how google map tiles work
