Pes,

I wouldn't race him for another reason.
Being a new rider and lacking experience, there is a chance he will end up seeing his a$$ without a mirror if he races you (and crashes).

I've done it and don't race newbies for any reason whatsoever anymore, no matter how irritating one may be.

Bedouin. Blessed are those eyes that have seen more roads than any man! (Homer).