30 Jun: On Track For Gold: Vivian Cheruiyot, Mercy Cherono, 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 and Mercy Cherono 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.