Reira Iwabuchi earned a dominant win in the women's event ©Getty Images

China’s Su Yiming secured the first Snowboard World Cup big air title of his career in the final event prior to a home Winter Olympic Games in Beijing.

The 17-year-old had topped the qualification standings for the men’s event at the Steamboat resort in Colorado on Thursday (December 2).

Su delivered a repeat in the final after achieving scores of 85.00 and 70.25 points with his opening two runs of the final.

The Chinese snowboarder was unable to improve with the third run, but his combined score of 155.25 points proved enough for a comfortable victory.

Austria’s Clemens Millauer finished as the runner-up on 139.50, after scoring 63.50 and 76.00 in the first and third runs of the event.

Mons Røisland completed the podium, the Norwegian scoring 134.00 overall, 1.5 clear of four-time big air X Games champion Max Parrot of Canada.

World champion Mark McMorris of Canada and X Games champion Marcus Kleveland from Norway were unable to mount podium challenges in the 10-man final.

Japan’s Reira Iwabuchi clinched victory in the women’s competition by a dominant margin.

The 19-year-old achieved a total of 178.25 points, after her best two runs scored 87.25 and 91.00.

She finished over 30 points clear of her nearest challenger, with Olympic champion Anna Gasser of Austria settling for second on 148.00.

Germany’s Annika Morgan completed the top three on 132.25.

Su was not the only young Chinese athlete to achieve success. 

Ailing Eileen Gu, who won gold at the 2020 Winter Youth Olympic Games and bronze at last year's World Championships in Aspen, claimed the top spot in the women's freeski big air.

Gu scored 88.25 on her first run, before producing a sensational 96 - the highest score in the competition by three - on her third run for a total of 184.25 and claim a brilliant World Cup victory

France's Tess Ledeux, the 2017 slopestyle world champion, finished second on 177.5, her best run her first with a 93-point performance, and Johanne Killi of Norway, who won a bronze medal in slopestyle at Winter X Games, finished third on 177.

In the men's freeski big air competition, Matěj Svancer claimed victory with a total score of 188.5, including an incredible 98-point second run.

The United States' Alexander Hall produced a score of 185.75 to finish second, while France's Antoine Adelisse completed the podium on 180.