This article discusses the importance of turnarounds to the bottom line, the special challenges associated with Oil Sands turnarounds in Alberta, and the practices that can lead to superior performance. The data presented are based on an industry dataset of recent (past 5 years) turnarounds in the industry. The dataset contains more than 500 refining and chemical turnarounds from across the world. More than 25 of these turnarounds are from Alberta, including Oil Sands.