AFRICAN athletics is often synonymous with sleek, speedy runners dominating the standard marathon. But there's another side to the continent's running culture, one that's been thriving for decades: ultra-marathons. From South Africa's iconic Comrades Marathon to Morocco's gruelling Marathon des Sables, ultras are attracting the biggest names in athletics and bolstering the legacy of African sports. Last weekend (April 15), Cape Town played host to thousands of athletes from South Africa and beyond for the latest edition of the Two Oceans 56km Marathon. According to Sports Network Africa, an African sports site, thousands of eager athletes flocked to the Cape…