Original sentence: From 1967 to 1972 the race was organized by the National Off Road Racing Association (NORRA).The name of the event is misleading as the mileage   varies for the type of event (loop or point to point) and has represented kilometers in the past
Edited sentence: From 1967 to 1972, the race was organized by the National Off Road Racing Association (NORRA).The name of the event is misleading as the mileage varies for the type of event (loop or point to point) and has represented kilometers in the past