Kappaurer comes from Bezau in the Bregenzerwald and starts for her home club. She made her European Cup debut on January 19, 2013 at the home race in Schruns . In the same season she became Austrian youth champion in giant slalom. She celebrated the greatest success of her career to date at the Junior World Championships in Jasná in 2014, where she won the gold medal in the super combined. In addition, she was among the fastest five in Super-G , giant slalom and slalom . In the 2014/15 European Cup season she managed to score points in all disciplines, which brought her to eleventh place overall in the final standings.
Kappaurer made her World Cup debut on October 25, 2015 at the giant slalom in Sölden , where she narrowly missed the jump into the second round. When she fell during an FIS race in November, she contracted a cartilage fracture in her right knee, which initially prevented further World Cup appearances.
On February 24th, 2017, she won World Cup points for the first time with eleventh place in the Crans-Montana combination . She achieved her first victory in the giant slalom on March 17th in San Candido , finishing third in the 2016/17 season . At the races in Squaw Valley , she also placed first in the top 20 in giant slalom and slalom. At the end of the season she was crowned national champion in giant slalom for the first time.
After a good start to the 2017/18 season with five giant slalom placements in the points, including twelfth place in Lienz , she broke the four metacarpal bones of her left hand in Zauchensee in mid-January . In preparation for the next season in Saas-Fee , she suffered a broken tibia and fibula in her left leg and had to undergo an operation immediately. Eleven months later, while training overseas in Ushuaia , she suffered the same injury in her other leg and an avulsion fracture in her left tibial head .