She is a two-time Olympian and won the bronze medal in the 100 metre breaststroke at the 2024 Summer Olympics.

[6] McSharry won the bronze medal in the 50 m breaststroke at the 2019 European Short Course Championships in Glasgow.

[7] She competed at the 2020 Summer Olympics in Tokyo, finishing eight in the 100 metre breaststroke event, and won the bronze medal in the 100 m breastroke at the 2021 World Championships (25 m).

[8][9] On 29 July 2024, McSharry won the bronze medal in the 100 metre breaststroke at the 2024 Summer Olympics in Paris.

[12] They won the competition under the guidance of mentor, former rugby player, Donncha O'Callaghan.