Maximum?

There are many ways of finding "maximum" of which 220-age is one of the worst.

There are numerous discussions about how "maximum" can vary from 10-20 bpm from individual to individual. Do a forum search for some recent discussions.

By the way, welcome!

(Also, many of us didn't get started until our late 50's (that's me) and 60's. You are just a youngster.