Well it depends on the person and the level of the game but on average a midfielder (halfback) in hockey would run about 8-10 km. Sources: Me being a hockey halfback for 4 years and playing regional field hockey where the coach measured our average running distance.
Halfback is a noun.
halfback
Calvin Jones - halfback - was born on 1970-11-27.
Eddie Bell - halfback - died on 2009-11-16.
Eddie Bell - halfback - was born on 1931-03-03.
Sam Baker - halfback - was born on 1930-11-12.
Sam Baker - halfback - died on 2007-06-05.
HB stands for "halfback" in football. The halfback is a running back position on the offensive team and is typically responsible for running with the ball and catching passes.
Chis Johnson is the best halfback in the NFL because his stats are higher than all the others.
Adam Reynolds
Halfback