Which running back holds the record for the most career rushing Yards?

Rushing Yard is a statistic in football that records the total number of yards gained by a single player as the result of a rushing play (or plays), in which the player carries the football (as opposed to receiving a pass).

Emmit Smith holds the record of most career rushing yards with 18,355 rushing yards. He played for Dalls cow boys and Arizona Cardinals. Walton Payton with 16,726 rush yards stands in second place.