To ensure GPS coverage I’ve been carrying it in my hand whilst I walk which no doubt makes me look like a prat but I figure it needs to see the sky. Battery life goes down quite quickly if you are listening to music at the same time though if you are out walking for 4 or 5 hours then you probably have something more professional to track your activity than this.

When the walk is over you can hit a button to upload your walk to the main site, and it will record the route, elapsed time etc and from there you can view it or share it on your blog like this:

They also have mapmyride, mapmyrun etc but they are all the same.