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RIO DE JANEIRO, BRAZIL - AUGUST 12: Hilary Stellingwerff of Canada and Marta Pen Freitas of Portugal compete in round one of the Women's 1500 metres on Day 7 of the Rio 2016 Olympic Games at the Olympic Stadium on August 12, 2016 in Rio de Janeiro, Brazil. (Photo by Cameron Spencer/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 12:  Hilary Stellingwerff of Canada and Marta Pen Freitas of Portugal compete in round one of the Women's 1500 metres on Day 7 of the Rio 2016 Olympic Games at the Olympic Stadium on August 12, 2016 in Rio de Janeiro, Brazil.  (Photo by Cameron Spencer/Getty Images)