Absolutely is a seller's market. Since starting school, the average or median MCAT at my school has risen from 512 to 517. That's just crazy.
Assessment: You're a typical high-achieving, socially-bland ORM that medical schools can fill many times over. They don't need to act on you now. People who get in early are 100% solid and meet some aspect of institutional mission. Tells you a bit about the state of things when a publication and 525 is meh.
You'll probably get in from off the waiting list, but medical school admissions is just getting weirder and more unpredictable by the year. They act like they're picking the second coming of Jesus or Mohamed, but in fact, they're picking people for the only viable career in health care remaining.