Sky Brown: Youngest Girl to Compete in the Vans US Open Pro Series (what's a "Modern Worthy"? click here to find out!) Sky Brown, an 8-year-old Japanese skateboarder, became the youngest girl to compete at the Vans US Open Pro Series — Quartz What were you doing when you were eight years old? “She skates bigger than she is,” said one commentator. Next: Ernestine Shepherd Previous: Betty Pack