You can store all of your historical activities on your personal Web dashboard at runkeeper.com. You can see a map of your activities on the Web or directly on the iPhone. Now, you can share your activities with your friends! No need to buy a separate GPS device or technology when you can track your, run, ride, hike, walk, etc. using your 3G iPhone! RunKeeper can be used for running, cycling, walking, hiking, skiing, and many other outdoor fitness activities. Whether on road or trail, get out your running shoes or get on your bike and take RunKeeper for a spin. Now you can be a fitness guru too!