If your route is a loop/circle and you track the entire route then don't click the "and back" box. It will double your route.
However, if your walk is half a loop and then you turn around and head back, you can click the "and back" button. Hope that makes sense!
"We either make ourselves happy or miserable. The amount of work is the same." Carlos Castaneda
Live Kind. Laugh Often. Love Always.