Two-time Olympic cross-country skiing champion Ingvild Flugstad Oestberg will miss the upcoming Beijing Games over ongoing health problems, the Norwegian ski federation NSF said on Sunday. NSF medical director Oeystein Andersen said in a statement that her health could not stand the race programme and that Oestberg “must therefore once again take a longer break from competitions, which means that the Olympics unfortunately come too soon.” The Beijing Games are scheduled for February 4-20. Oestberg will also miss the Tour de Ski which starts on Tuesday. Oestberg, 31, was sidelined with health i…