Article content Here is a video of some of the tricks and I spoke with one of the performers and she said #Stampede2021 is one of her favourite events to perform #yycpic.twitter.com/be1eyZLItm— Shawn Knox (@knoxie84) July 15, 2021 One of the riders, and the first female freestyle motocrosser to perform at the Calgary Stampede, is 31-year-old Kassie Boone from Belmont, Ont. She said she has been soaring through the air on a bike for as long as she can remember. “My dad was a racer, so from the day I was born I was sitting on a dirt bike,” said Boone, adding that she got her first bike when she was five-years-old.