He announced himself on the world stage when he won the gold at the World Championships in Beijing in a time of 43.48 seconds .
So onto young South African Wayde van Niekerk .
Wayde van Niekerk announced himself on the world stage when Wayde van Niekerk won the gold at the World Championships in Beijing in a time of 43.48 seconds .
So onto young South African Wayde van Niekerk .