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Shortly the world’s top athletes descend on Doha for the World Athletics Championships, so we are putting the spotlight on some of the biggest stars of the sport, finding out what drives them on and off the track.

South African long jumper Luvo Manyonga shot to fame two years ago after winning gold at the World Championships in London. He is an icon for South African youngsters and has also battled back from drug addiction to reach the top of his sport.

Photo: Luvo Manyonga of South Africa in action in the Mens Long Jump final in London (Getty Images)