It was officially known as "Edinburgh Racecourse", and referred to as such in the English press, until the beginning of 1996 but was widely referred to as "Musselburgh" in Scotland long before that and was widely referred to as Musselburgh in the racing pages of Scottish newspapers.
The track was officially named "Edinburgh Racecourse", but it was more commonly known as "Musselburgh" in Scotland, even before 1996 when the name change occurred.