She played four years of college basketball in the United States for the Nebraska Cornhuskers between 2019 and 2023 before returning to Australia to start her professional career in the WNBL.

Bourne is a product of the Norths Junior Club in Canberra and Basketball ACT high performance programs.

[1] In 2016, Bourne played for the Canberra Capitals Academy in the South East Australian Basketball League (SEABL).

[2] Bourne joined the University of Canberra Capitals of the Women's National Basketball League (WNBL) as a development player for the 2016–17 season.

[4][9] In November 2018, Bourne signed a National Letter of Intent to play college basketball for the University of Nebraska–Lincoln.

She closed her first season with a season-high 16 points and a career-high five blocks against Michigan in the Big Ten Tournament on 5 March 2020.

[12] The COVID-19 pandemic ended her season prematurely, as she expedited her return to Australia in March 2020 due to border closers.

[12] As a junior in 2021–22, Bourne earned honorable mention All-Big Ten accolades for the second time after averaging 11.1 points and 4.5 rebounds in 24 minutes per game as a starter.

[16] As a senior in 2022–23, Bourne earned honorable mention All-Big Ten accolades for the third time after averaging 12.6 points and 6.7 rebounds per game.

[12] Bourne chose to forego a potential fifth season of eligibility to return to Australia to start her professional career.

[4] Bourne joined the Keilor Thunder of the NBL1 South for the 2024 season[21] to play under new coach, Kristi Harrower.

[22] She helped the Thunder reach the NBL1 South Grand Final, where they lost 87–82 despite 24 points, eight rebounds and five assists from Bourne.

[12] Bourne's father, Trent, played Australian rules football, while her mother, Ann, was a basketball player.