her first ASP World Tour event, defeating Carissa Moore in the final of the Rip Curl Women's Pro at Bells Beach On 30 April 2011, Fitzgibbons won her second ASP World Tour event, once again defeating Carissa Moore in the final of the Subaru Pro in Taranaki, New Zealand. With this win she became the world's top-ranked female surfer and took the lead in the 2011 ASP World Tour. In August 2011, Fitzgibbons won her third ASP World Tour event, defeating Lakey Peterson in the final of the US Open of Surf in California, USA. She finished the season runner up to Carissa Moore in the 2011 ASP Women's World Title. On 6 December 2011, Fitzgibbons came fifth in the 2011 Surfer Poll Awards held by Surfer magazine. In 2011 Fitzgibbons also won the 6-Star event Swatch Girls Pro France. In February 2012, Fitzgibbons won the first ever Australian Open after defeating 2004 World Champion Sofia Mulanovich, this meant Fitzgibbons will be the first person to ever hold the US and Australian Opens of Surf titles at the one time. On 23 February 2012, at the 2012 ASP World Surfing Awards Fitzgibbons won three awards. First was for being runner up in the 2011 World Tour. Second was for Fitzgibbons and Carissa Moore for winning the Women's ASP Heat of the Year as voted on by their fellow competitors. Lastly she won the ASP Surfers’ Surfer award which is a peer award. 17 March 2012, Fitzgibbons won the 6 star event the Hunter Ports Women's Classic during Surfest at Merewether Beach, Newcastle, Australia. Fitzgibbons defeated Malia Manuel in the final. April 2012, Fitzgibbons won the Rip Curl Pro at Bells Beach Australia, it was back-to-back wins at Bells for Fitzgibbons. She beat 4 times world champion Stephanie Gilmore in the final. 13 May 2012, Fitzgibbons won the Billabong Rio Pro in Brazil, she was up against Coco Ho in the final. Fitzgibbons won a gold medal at the final qualifying event at the ISA World Games in El Salvador in June 2021 (her fourth ISA Gold medal) in the lead up to the 2020 Tokyo Olympics. Tokyo Olympics Fitzgibbons had qualified for the 2020 Tokyo Olympics in 2019 by finishing in the top eight on the WSL World Tour that year. At the Olympics in the quarterfinal she lost to Amuro Tsuzuki of Japan and therefore did not compete for