It was first staged at Mosport Park in Bowmanville , Ontario as a sports car event , before alternating between Mosport and Circuit Mont - Tremblant , Quebec after Formula One took over the event .
It has been part of the Formula One World Championship since 1967 .
It was first staged at Mosport Park in Bowmanville , Ontario as a sports car event , before alternating between Mosport and Circuit Mont - Tremblant , Quebec after Formula One World Championship   took over the event .
It has been part of the Formula One World Championship since 1967 .