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.