Horishima made his debut in Inawashiro in February 2013 in the Freestyle Skiing World Cup . He started in the moguls and dual moguls competition, which he did not finish. At the 2014 Junior World Championships in Chiesa in Valmalenco , he finished 13th in the Moguls and seventh in the Dual Moguls. In the 2015/16 season he reached 20th place in the Mughal World Cup. He came on the podium for the first time at the start of the season in Ruka with third place in the Dual Moguls. In the following season 2016/17 he achieved three top 10 placements in seven World Cup appearances and thus finished 19th in the Moguls discipline. At the end of February 2017 he won the gold medal at the Winter Asian Games 2017 in Sapporo in the Moguls and in the Dual Moguls. At the highlight of the season, the 2017 World Championships in Sierra Nevada , he surprisingly became world champion in both disciplines. In the 2017/18 season, he achieved his first World Cup victory at the Moguls competition in Mont-Tremblant . Two more victories followed in Tazawako and third place in the Moguls World Cup at the end of the season. At the 2018 Winter Olympics in Pyeongchang , he came 11th. In March 2018, he became the Japanese Moguls and Dual Moguls Masters in Sapporo. After finishing sixth in Ruka at the beginning of the 2018/19 season, he came second in Thaiwoo , Mont Tremblant and Tazawako. At the end of the season, he won his fourth World Cup in Shymbulak , finishing fifth in the overall World Cup and second in the Moguls World Cup. At the season highlight, the 2019 World Championships in Park City , he achieved eighth place in the Dual Moguls and fourth place in the Moguls. In March 2019 he was again the Japanese champion in the Dual Moguls in Inawashiro and won bronze in the Moguls and gold in the Dual Moguls at the Winter Universiade in Krasnoyarsk . Also in the following season he finished fifth in the overall World Cup and second in the Moguls World Cup. He got three wins, two second places and one third place. In February 2020 he won the Japanese Moguls and Dual Moguls Championships in Inawashiro.
Japan
