Penny Oleksiak vs. Average Canadian: 100-metre freestyle

Canada's Penny Oleksiak holds up her gold medal after her first-place finish in the women's 100m freestyle. (Sean Kilpatrick/CP)

This video originally appeared on Macleans.ca

Just how fast is Canadian swimming sensation Penny Oleksiak? After years away from the pool, former competitor Levi Nicholson went to her home training ground to find out.