I lost 3-5 pounds in a month hust by running, does this mean when I run I am trianing hard and gaining end?

Question

I lost 3 pounds in one month so far just by running. Am i gaining running endurance and strength.

Answer 1

yes i think

Answer 2

You can tell if your gaining endurance very simply by seeing if you can run longer times and distances than before.

As far as three to five pounds goes, that sounds like water.