Canada Day Mud Bog – Rosemary, Alberta – Round 1 Every year on Canada Day the village of Rosemary, Alberta grows from around 300+ residents to several thousand residents who come to Rosemary for the best Canada Day celebration in the country! The Mud Bog races have become a fixture at the celebration and attract people from all over the province. Rosemary Mud Bog – 2009 Round 1 Clip 3 of 3