Riverside International Speedway is a 1/3-mile oval situated near the town of Antigonish in Nova Scotia, Canada. It was opened in 1969, with the NASCAR Busch East Series subsequently racing at the venue. In 2006 the total complex was comprehensively renovated and modernized.

Riverside International Speedway regularly promotes race meetings, including NASCAR's Canadian Tire Series and the ProStock-Tour. In addition, NASCAR Driving Experiences are offered, while race teams may hire the oval for private testing.