|Competitor for 23x15px Great Britain|
|Silver medal – second place||1920 Antwerp||4×100 m freestyle relay|
|Silver medal – second place||1924 Paris||4×100 m freestyle relay|
In the 1920 Olympics she won a silver medal in the 4×100 m freestyle relay event and was third in the first round of 100 m freestyle event and fourth in the first round of 300 m freestyle event and did not advance in both occasions.
Four years later in Paris she won a silver medal in the 4×100 m freestyle relay event.
- England & Wales, FreeBMD Birth Index: Grace McKenzie; Jul-Aug-Sep quarter 1903; District: Garston; Volume: 8b; Page: 699.
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