2016 Olympics (Rio de Janeiro, Brazil)
Throssell finished eighth in the 200 fly (2:07.87), making the finals with the seventh best time from the semifinals (2:07.19).
2019 World Championships (Gwangju, Korea)
Throssell swam the third leg of Australia’s world record setting gold medal 4×200 free relay team (7:41.50). Throssell (1:55.60) followed Ariarne Titmus and Madison Wilson and ahead of Emma McKeon.
She also was part of the Aussies’ championship record setting 4×100 free relay team (3:30.21), swimming the second leg. Throssell (53.34) was joined on the 4×100 by Bronte Campbell, Emma McKeon and Cate Campbell.
Individually, Throssell finished fifth in the 100 fly (57.09) and eighth in the 50 fly (26.11). Throssell made the semifinals of the 200 fly, placing 11th in the heats, but gave up her spot.
2020 Olympic Games
In Tokyo, Throssell has a busy schedule. She started her meet with the 100 fly individually, where she placed 12th overall at 57.59. Throughout the meet she swam prelims of both the mixed 400 medley relay and the 800 free relay, both of which went onto win bronze in the final. She swam the 200 fly individually later in the meet, where she made the final and ultimately placed 8th in 2:09.48.
Throssell rounded out her meet on the last day in the 400 medley relay prelims, swimming fly in the morning effort as the finals relay went on to win the event, netting Throssell her first Olympic gold.
2022 World Championships
Throssell had a busy meet for team Australia in Budapest, pulling relay duties and competing in individuals. She swam prelims of the 400 free relay on day 1, which would go on to win gold in the final. On day 2, she swam in the final of the 100 fly, where she touched at 56.98 for 6th place. On day 4, she swam the butterfly leg in the prelims of the mixed 400 medley relay, which went on to win silver. On day 5, she competed in the 800 free relay prelims which went onto win silver in the final. On the last day of competition, Throssell swam on the final of the 400 medley relay, splitting 57.19 on the fly leg and aiding Australia to a silver medal.