Onozuka completed her first FIS World Cup race in December 2011 in Copper Mountain , which she finished in 35th place. At the beginning of the 2012/13 season she reached her first World Cup podiums with third place in Cardrona . In the further course of the season she achieved further top ten placements including a second place in Park City and a third place in Sierra Nevada . She won the bronze medal at the Freestyle Skiing World Championships in Oslo in 2013 . She finished the season in sixth place in the overall World Cup and third in the Halfpipe World Cup. In January 2014, she finished second in Breckenridge . At the following Winter Olympics in Sochi in 2014 , she won the bronze medal in the first half-pipe competition. In the 2014/15 season she took third place in Copper Mountain , second place in Tignes and first place in Park City in three World Cup appearances , thus winning the Halfpipe World Cup. She won the silver medal at the Winter X Games 2015 in Aspen . At the beginning of the following season she finished third at the World Cup in Cardrona . In the further course of the season she won the Winter Dew Tour in Breckenridge and the US Grand Prix and World Cup in Mammoth . As in the previous year, she won the silver medal on the superpipe at the Winter X Games 2016 in Aspen . In February 2016 she finished second at the US Grand Prix and World Cup Park City and won the bronze medal at the X-Games Oslo 2016 in Oslo. As in the previous year, she won the Halfpipe World Cup at the end of the season. After finishing fourth at the beginning of the 2016/17 season at the World Cup and US Grand Prix in Copper Mountain, she won the silver medal at the Winter X Games 2017 in Aspen . In February 2017 she finished third at the World Cup in Mammoth and Pyeongchang . The following month she came second in Tignes and at the end of the season reached 14th place in the overall World Cup and second place in the Halfpipe World Cup. She won the gold medal at the season highlight, the Freestyle Skiing World Championships 2017 in Sierra Nevada . In January 2018 she was third at the World Cup in Snowmass and sixth at the Winter X Games . At the 2018 Winter Olympics in Pyeongchang, she came in fifth.
Japan
