Hannah Roberts scores silver medal for USA in first-ever Olympic BMX freestyle event
Roberts claims silver behind the Brit Charlotte Worthington, Australian ace Logan Martin wins men's event in BMX freestyle's Olympic debut.
BMX freestyle
U.S. duo Hannah Roberts, Perris Benegas top seeds for Olympic BMX freestyle final
Reigning world champion Roberts is top favorite for gold in Sunday's final after seeding first Saturday.
Here’s Hannah: Why you need to watch the Olympic women’s BMX Freestyle
American Hannah Roberts could become the youngest cyclist to win Olympic gold. But that's just one reason to tune in to watch her tricks.