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Just behind Susan was mother and daughter duo Lisa and Mia Coe.

Grainger said she was "surprised" that British candidate Lord Coe only received eight votes in the election.

Lord Coe, the governing body's president, said the decision was further evidence that World Athletics would "doggedly" protect the female category.

Coe made "protecting" eligibility of the women's category a key component of his bid to be elected International Olympic Committee president.

However, Coe finished third in the IOC election earlier this month as Kirsty Coventry won 49 of the 97 available votes to become the first female and African president.