[1][2] Lewis, at age 10 transferred to the competitive programme at the Barnet Copthall SC.

[3] She competed for Barnet Copthall SC until age 16 when she transferred to Ellesmere College and competed for Great Britain at the 2019 European Junior Championships.

[1][4] At the 2022 British Swimming Championships Lewis won the 1500 metres event, to claim her first senior national title.

She also claimed a silver medal in the 800 metres.

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