Originally Posted by skiahh

Too late. Friendship's gone. You think beating him will save a friendship? Nope, the attacks'll just get worse. And what if you lose? He'll be insufferable.

Race if you want/need to to prove your manhood to yourself, friends and family. But, as others have said, this guy hass beaten you mentally already. To trump that, walk away, let him spew all he wants. You have the numbers in your corner and anyone who really cares can see that.