German distance runner Sara Benfares has ended her career amid doping allegations and a reported cancer diagnosis, broadcasters Saarländischer Rundfunk have reported. Citing her lawyer, Dubravko Mandic, the report late Monday said that the 22-year-old would no longer be competing and that he expected the doping case to be closed soon. Her father, Samir Benfares, had previously told a French portal that she has been diagnosed with bone cancer and would end her career. Mandic spoke of diffuse bone disease in Monday’s report, said she was being treated by a French doctor, and that the case was th…