The CSIO Spruce Meadows' 'Masters' Tournament is an annual fall equestrian show jumping event held in Calgary, Alberta. It is highlighted by the BMO Financial Group Nations’ Cup which offers a C$350,000 purse and is notable as "richest team show jumping event in the world" and also by the C$1,000,000 CN International. Total purse amounts for the Spruce Meadows 'Masters' amount to over $2 million making it one of the richest show jumping events in the world.
Historically, Great Britain currently holds more Nation's Cup titles at Spruce Meadows than any other nation with ten victories out of the past twenty-nine. The 2006 victory by Canada marks the first time the home team has won a nation's cup at the Masters Tournament.