Originally Posted by jbrians
I started carrying a GPS with me so I could plot on a map where I'd been on the ride, not where I was.
After I return home, I download the data onto the computer and print off a map with distances, etc. on it and mark on the paper whether it was a good route or not. That map then gets shared with my club members for a ride at some point in the future.
Very good use of a GPS. There is a rider in the over 50 thread that is mapping mountain bike trails. Has a ton to his credit.