Freeski star Gu says injuries hit confidence as she targets Olympic treble

Gu was one of the standout stars at the Beijing Games four years ago, winning the women's half-pipe competition and big air and taking silver behind Switzerland's Mathilde Gremaud in slopestyle. Since then, a combination of injuries and academic commitments, including her studies at Stanford and a term at Oxford University, have limited her time on the slopes. "It has been tough. I do full-time school, which I have zero regret about, as I've had the most fantastic time doing that, and also did...