Harris attended Mt St Michael's College in Ashgrove, Brisbane.

During the 2020 Summer Olympics in Tokyo, Harris swam the second leg for the gold medal-winning Australian Women's 4 × 100 metre freestyle relay team in the final.

[4] Harris later announced the injury was not training related and she attained the broken arm when she accidentally ran a scooter into a rock.

[6] At the 2023 World Aquatics Championships, Harris swam the third leg in the Australia women’s 4x100m freestyle relay along with Shayna Jack, Mollie O’Callaghan and Emma McKeon to break the world record in a time of 3:27.96.

In August Harris announced she would move from the South Australia Sports Institute(SASI) to join the Rackley Swim Team in Brisbane under Damien Jones.