South Africa’s Stephen Mokoka broke the men’s 50km world record in Gqeberha on Sunday – in his first race at the distance! The 37-year-old won the Nedbank Runified 50km in 2:40:13, beating the previous record time of 2:42:07 set by Ethiopia’s Ketema Negasa last year. ‘Tired, but I enjoyed it’ – Stephen MokokaStephen Mokoka competed in the marathon at the 2012 and 2020 Olympics and 10 000m at the 2016 Olympics. *“I’m tired. It’s a long way, but I enjoyed it,”* he said. Stephen Mokoka enjoyed a nice pay day for his efforts. He pocketed R150 000 for winning the race, R100 000 for breaking the wor…