Fwiw, I don't know about him running, etc or much else, but I did see for sure that Kip picked up his bag & bib at the Expo on Saturday afternoon. I'm sure that can be verified.
Just because he had his bib picked up doesn't mean Kip was the person doing it. One can designate a third party to do it at Boston. Just write their name on the bib card and sign your name below.