Sometimes recognizing change in yourself can be difficult. Running makes it easy.
Today I ran for an hour and 20 minutes straight and it didn't even phase me. It didn't seem ridiculous or impossible or a stretch-goal or something I had to psyche myself up for; it just felt like something I do. It wasn't too terribly long ago that running for the length of time seemed impossible. Now, it just isn't that big of a deal. I like that. I like that a lot.