Gu competed for the United States at the 2018–19 FIS Freestyle Ski World Cup. She has competed for China since June 2019 after requesting a change of nation with the International Ski Federation. Her goal was to compete for China in the 2022 Winter Olympics. She announced the change on WeiboGu, Ailing. June 6, 2019. https://weibo.com/3639470012/HxIo10nDY . Weibo. and Instagram, stating that through skiing she hopes "to help inspire millions of young people" in China and "to unite people, promote common understanding, create communication, and forge friendships between nations."
