Boo is a 10-month-old Australian toy shepherd, and is the winner of Top Dog, a contest put on by The Chilliwack Progress.
Owner, Dana Muskett, got him when he was eight weeks old and immediately started obedience training with him.
They go hiking every day, rain or shine, and Dana has been taking Boo to agility classes for nearly four months.
Boo loves running, swimming, fetching balls and frisbees, and doing tricks. His favourite trick is spinning in circles.
Boo is now full-grown and weighs 23 lbs.