There is a relatively new sport. It is called "Standup" surfing. Standup became a sought after, growing sport maybe 10 years ago. It is done on larger surfboards of various lengths, usually 9 feet to up to 16 feet. The rider stands up on the board with a single bladed paddle. The single bladed paddles are approximately 6' 6'' long. There are lots of blade shapes. The actual paddle template, and ergonomic shaft shapes improve the basic function of a paddler's stroke. The rider will paddle to tour, paddle to race, long and short distances, and paddle to surf on waves. In the 1960s a man named Leroy Achoy taught surfing in Waikiki. He developed a method of standing up on his board to travel from one student to another with a single bladed paddle. I met Leroy when 18 at Barber's Point. He was an incredible surfer. He was of Hall of Fame, World Class talent.
While some of the guys may have done some standup in Duke's Day, I wasn't there and can't confirm it.
I saw Leroy in Waikiki on numerous occassions teaching surfing with the standup method, circa 1968.. I think Leroy Achoy deserves the credit for the development of STANDUP.
Sorry, you need to install flash to see this content.