Goran Nikolic from Kragujevac broke the world Guinness record in running repeatedly marathons. That information was overshadowed by the fact that he sees only 5% on one eye, but that didn't stop him to beat previous world record result. In 2017. Goran ran 55 marathons in 55 days, which is 3 days and three marathons more then what is recorded in this discipline. He ran half-marathon (22 kilometers) each day in different city. Goran has run twice around the planet Earth.