[4][5] Whitehead made her international debut at the 2014 City of Jesolo Trophy, helping the Australian team place fifth and finishing twenty-fourth in the all-around.

[9] Whitehead opened her 2015 season at the City of Jesolo Trophy placing fourth with the Australian team and in the uneven bars event final.

[20] She was selected to represent Australia at the 2018 Commonwealth Games alongside Georgia-Rose Brown, Alexandra Eade, Rianna Mizzen, and Georgia Godwin, and they won the bronze medal in the team event behind England and Canada.

[24] She then competed at the 2018 World Championships in Doha alongside Georgia-Rose Brown, Alexandra Eade, Emma Nedov, and Erin Modaro, and the team finished fifteenth in the qualification round.

[25] Whitehead began her 2019 season at the Australian Championships and finished fourth in the all-around, uneven bars, balance beam and ninth in the floor exercise.

[32] Whitehead began her 2022 season at the DTB Pokal Team Challenge in Stuttgart where Australia won the bronze medal behind the United States and Italy.

[33] In the event finals, she won the bronze medal on the floor exercise behind Angela Andreoli and Konnor McClain and also placed fourth on the balance beam.

[35] She defended her all-around title at the 2022 Oceania Championships and also won team, vault, and floor exercise gold, silver on uneven bars, and bronze on balance beam.

[36] She was then selected to represent Australia at the 2022 Commonwealth Games alongside Romi Brown, Georgia Godwin, Kate McDonald, and Breanna Scott.

[37] In June 2024 Whitehead was named to the Australian team to compete at the 2024 Olympic Games alongside Kate McDonald, Emma Nedov, Ruby Pass, and Breanna Scott.