The first map tracks all entrants in the GGR. Check out the buttons for different types of map and weather overlays. This feature only works on desktop computer based web viewing. The mobile feature was activated 72 hrs before start.
The second map plots Are as he progresses around the world. Clicking on titles or pegs will bring up more information consisting of text, pictures and maybe even videos. Clicking the symbol on the left in toolbar will bring out the menu. The symbol to the right will open the map in a new window.
A little overview of the tracking page.