I work at a locksmith shop.
He is a little too old to run the 2.5 miles next to me, and I would worry about him running in traffic (I commute on busy chicago streets)
He is a mutt, not too sure about the mix, but I think there is some chow, maybe lab....i don't know.
He finally got used to it, and now he just lays in there. I even stop for coffee, lockup, and he just chills there, waiting for me.
So dam cute...