At the Nordic Junior World Ski Championships 2013 in Liberec , Hendrickson took sixth place in the individual and eighth place with the US team. At the Nordic World Ski Championships 2013 in Val di Fiemme , she secured the world title for the first time on February 22, 2013. In the first mixed team competition, she was sixth. In the same season, Hendrickson secured victory in the first Women's World Cup on a large hill at the World Cup final at the traditional Holmenkollen in Oslo .
On August 21, 2013, Hendrickson fell badly during a training jump in Oberstdorf and tore a cruciate ligament in his right knee. In the first newspaper reports it was mentioned that the 2013 world champion will not be able to compete at the 2014 Olympic Games in Sochi , or only with a large training deficit. In January it was announced that Hendrickson was planning her comeback at the Olympics in Sochi. Since the Olympic Games start in the reverse order of the World Cup status, Hendrickson was the first woman to open the competition and took 21st place at the Olympic premiere of women's ski jumping. Jumping at the Olympic Winter Games was the only competition she competed in in the 2013 season / 14 participated after her injury.
After the Olympics, she underwent another knee operation. Her first competition after a break of several months was two Continental Cup competitions in Trondheim on September 27 and 28, 2014, which she finished in second place. In the 2014/15 season, Hendrickson started again in the World Cup . She took three podiums but couldn't celebrate another victory. In the overall World Cup, she finished eighth. At the Nordic World Ski Championships 2015 in Falun , she finished sixth in the singles and was seventh in the mixed team competition with the US team.
In June 2015, Hendrickson injured his right knee again during a training jump and had to undergo an operation in September 2015. Because of this injury, she missed the entire 2015/16 season.
Hendrickson made the comeback after her injury at the World Cup opener in early December 2016 in Lillehammer. During the 2016/17 season she achieved several top ten placements, but did not get past eighth place. She usually finished eleven to twenty. In the overall World Cup she finished 14th. At the Nordic World Ski Championships in Lahti in 2017 , she finished 23rd in the singles and was eighth in the mixed team competition with the US team.
Their performances continued to deteriorate in the 2017/18 season. She reached the points in the World Cup only once as 26th in Oberstdorf . With five points, she finished 49th in the overall World Cup. With a victory at the US Olympic Trials in Park City on January 31, 2017, she secured her personal entry authorization for the 2018 Winter Olympics . In her second Olympic participation in Pyeongchang in 2018 , she finished 19th as the best American woman in the individual competition on the normal hill .
After a year and a half break from ski jumping, Hendrickson made her comeback in September 2019 at the Continental Cup competition in Lillehammer . She immediately finished sixth from Lysgårdsbakken .