[1][2] She competed for England in the women's 57 kg event at the 2014 Commonwealth Games where she won a gold medal.

[3][4] Smythe-Davis became national champion of Great Britain on two occasions, winning the lightweight division at the British Judo Championships in 2013 and 2014.

Competing in the women's 57 kg category she won the gold medal after defeating Stephanie Inglis in the final.

[6] In May 2019, Smythe-Davis was selected to compete at the 2019 European Games in Minsk, Belarus.

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