New Zealand's snowboard star Zoi Sadowski-Synnott has an impressive CV aged just 19. Olympic medallist, world champion, X Games winner, and there is more to... come. Could she even dethrone Olympic champion Anna Gasser? "Keep training as much as possible, so that when the time comes you're just ready to pull the trigger and do what I ant to do," she tells us. The mindset of a champion.