Unfortunately , the world will be denied a chance to see Bolt vs van Niekerk head to head in the 200m in Rio .
Van Niekerk opted not to run it despite being the African champion in the event .
Unfortunately , the world will be denied a chance to see Bolt vs van Niekerk head to head in the 200m in Rio because van Niekerk opted not to run it despite being the African champion in the event .