Winter Olympics Competition Begins Day One (46 images)

Course workers groom a jump during the women's slopestyle quarterfinals at the Rosa Khutor Extreme Park during the Sochi 2014 Winter Olympics on February 6, 2014 in Krasnaya Polyana, Russia. UPI/Kevin Dietsch

A worker grease a rail during the men's slopestyle quarterfinals at the Rosa Khutor Extreme Park during the Sochi 2014 Winter Olympics on February 6, 2014 in Krasnaya Polyana, Russia. UPI/Kevin Dietsch

Canadian Justine Dufour-Lapointe competes in the Women's Moguls quarterfinals in the Hamm Stadium at the Rosa Khutor Extreme Park during the Sochi 2014 Winter Olympics on February 6, 2014 in Krasnaya Polyana, Russia. UPI/Kevin Dietsch

American Hannah Kearney competes in the Women's Moguls quarterfinals in the Hamm Stadium at the Rosa Khutor Extreme Park during the Sochi 2014 Winter Olympics on February 6, 2014 in Krasnaya Polyana, Russia. UPI/Kevin Dietsch