Aono took part in FIS races for the first time in January 2004, at the age of 13 , and placed fifth in one of these low-class races that same year. After he came on the podium in an FIS race for the first time in February 2005 and was also able to convince in fourth in the Japanese championship, Aono qualified for the World Cup in Sungwoo Resort. In his four World Cup races of the season , a 19th place was his best result. At the junior world championships that took place shortly afterwards in Zermatt , he also missed the top 10 in 14th place .
In January 2006, Aono won an FIS race for the first time, but this season he only took part in one World Cup race, which he finished in twelfth place. In the next World Cup season he triumphed in a World Cup for the first time, and he even repeated this success three times in a row, so that, after placing second in the last race, he was able to win the Halfpipe World Cup. In addition, Aono started at the 2007 Snowboard World Championships in Arosa , but only finished 65th there.
After third place in August 2007 at the Burton New Zealand Open in Snow Park , Aono opened the 2007/08 World Cup season again with a win, but since he was only 29th in addition to another triumph and a second place, he missed defending his title in Halfpipe World Cup and finished sixth. In January 2008 he won the silver medal at the Winter X Games in Aspen . Aono also started well in the 2008/09 season and finished second behind his compatriot Kōhei Kudō . In January 2009 he celebrated his sixth World Cup victory in Gujō and at the World Championships in Gangwon he was world champion in the halfpipe. In March 2009 he became the Japanese halfpipe champion. At the World Cup in Cypress he came second and at the end of the season he won the Halfpipe World Cup for the second time. The following year, he finished ninth at the 2010 Winter Olympics in Vancouver . After finishing second in the World Cup in Saas-Fee and third in the US Revolution Tour in Copper Mountain at the beginning of the 2010/11 season, he took two World Cup victories and thus achieved third place in the Freestyle World Cup and second place in the Halfpipe World Cup. He finished eighth at the 2011 Snowboard World Championships in La Molina . In February 2011 he won the gold medal at the Winter Universiade 2011 in Erzurum . In the following season he achieved 11th place in the World Cup in Cardrona and second in Saas-Fee, thus reaching 12th place in the Freestyle World Cup and sixth place in the Halfpipe World Cup. He also finished third in the season at the Burton European Open in Laax and won the Burton Canadian Open in Calgary . At the Snowboard World Championships 2012 in Oslo he came in seventh place. In the half-pipe evaluation of the World Snowboard Tour , he took third place. At the beginning of the 2012/13 season he won his ninth World Cup in Cardrona . In the further course of the season he achieved tenth place at the Winter X Games 2013 and ninth place at the World Cup in Sochi and thus reached tenth place in the Halfpipe World Cup . At the highlight of the season, the 2013 Snowboard World Championships in Stoneham , he finished fifth. After ranking 41st and 11th in the World Cup at the beginning of the following season, he won in Stoneham and thus achieved sixth place in the Freestyle World Cup and third place in the Halfpipe World Cup. At the 2014 Winter Olympics in Sochi, he came in 37th place. At the beginning of the 2015/16 season he finished fifth at the World Cup in Cardrona and second at the US Revolution Tour in Copper Mountain . In January 2016 he won the US Grand Prix and World Cup in Mammoth . The following month he took second place at the World Cup and US Grand Prix in Park City and took his 12th World Cup victory in Sapporo . At the end of the season he won the Halfpipe World Cup for the third time and the Freestyle World Cup for the first time.
Participation in World Championships and Olympic Winter Games
Japan
World cup
Calgary
Cardrona
Sungwoo
Mammoth
