Teenage rider Reira Iwabuchi finished her FIS Snowboard World Cup season on a high Sunday, winning her first ever slopestyle event and leading a one-two finish for Japan in Silvaplana, Switzerland.Nineteen-year-old Iwabuchi, who scored 91.00 points in her first run, was followed on the podium by 16-year-old Kokomo Murase, whose best effort was 88.75, with Australia's Tess Coady in third.It was Iwabuchi's first win on the World Cup circuit this season and sixth overall in her career, with her five other wins all coming in the big air competition.After the final leg of the season in Silvaplan…READ FULL ARTICLE