Every time Caster Semenya has expanded her competitive range, questions have been raised about her ability to extend herself any further along the spectrum of distances.
And every time she has proved her critics wrong.
Having cemented her place as the fastest woman in the world in her favoured 800m event – a distance at which she may still have a crack at the world record – Semenya began to juggle the 400m and 1 500m event in recent years.
But over the metric mile, she initially looked heavy and sluggish, and she towered over her opponents in an event which generally attracts wispy women with compact frames who float across the track.
But she silenced her doubters when she became the first South African woman to run under four minutes, and when she won gold at the Commonwealth Games.
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