She was born in Bulwer, KwaZulu-Natal[1] and competed for the Albion Ladies Athletic Club.

Four years later she won the bronze medal in the 80 m hurdles contest at the 1932 Olympics.

Clark won the British WAAA Championships titles in the 100 yards hurdles and high jump events at the 1928 WAAA Championships[2][3][4] At the 1934 British Empire Games she won the gold medal in the 80 m hurdles contest as well as in the high jump event.

As a member of the South African relay team she finished fourth in the 110-220-110 yards competition.

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