Pennsyvlania Hillclimb Association | Pennsyvlania Hillclimb Association, The Pennsylvania Hillclimb Association, better known to our friends as PHA, founded in 1959 and Incorporated in 1963 was created to standardize the rules between the many hillclimbs of the time. From that beginning some hillclimb sites have passed by while new ones have been added. Many of the names and faces have changed, but some are still here racing. Through it all we have remained an enthusiastic group of clubs, events and racers eager to test our vehicles and driving skills on tracks and w.