Three-time Olympic biathlon champion Marte Olsbu Röiseland will remain absent from competition for the rest of the years owing to health problems and a January also remains uncertain, her Norwegian federation said on Monday. Röiseland won three gold and two bronze at the Beijing Olympics in February and also the World Cup title the following month. Röiseland has had several health setbacks after contracting the coronavirus in March, had shingles in September and further ailments which made her miss weeks of training and last week’s start of the World Cup season. She is now mainly setting her s…