In its most basic sense, Rugby is a full contact collision field sport that is essentially socially approved simulated tribal warfare. It is played with 15 players on each team and over 2 halves, each approximating 40minutes depending on injuries.
A misconception in the running world is that hitting certain weekly mileage is what allows people to run well. The reason I think this to be a misconception is that mileage does not drive performance — performance drives mileage. This misconception is what I call the Mileage Fallacy.