A great way to monitor your walking or running progress it to use a Pedometer. Even better, use a Pedometer App on your phone so you have it on you all the time. A great FREE solution is the Pedometer Android App by Tayutau which can be found on Google play here.
You can easily share screenshots like the one above on social media with a couple of clicks.
A useful added feature is the ability to look at daily, weekly and monthly charts.
Having the Pedometer App running in the background, will drain your battery quicker than normal, but is worth having an insight into how many steps you actually take in a day.
For some additional options for Pedometer Apps, check out this article by the folks at Joy of Android; Pedometer App alternatives.