30June 2016: On Track for Rio - Vivian Cheruiyot, Mercy Cherono and Sunette Viljoen
With the Olympic Games just a month away we talk to three athletes aiming to win medals in Rio - Kenyan long-distance runners Vivian Cheruiyot (above, fourth from left) and Mercy Cherono (above, fifth from left) and South Africa's Commonwealth Games women's javelin champion, Sunette Viljoen. And we continue our series through the Games of the modern Olympic era as we come to the 1996 Games in Atlanta.
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