The real culprit was fatigue , a pair of skis that was less - than - perfect , and a rival who was too much to handle , he said .
Still , Northug told NRK that catching Cologna quickly was the only thing he could do .
The real culprit was fatigue , a pair of skis that was less - than - perfect , and a rival who was too much to handle , Northug said .
Still , Northug told NRK that catching Cologna quickly was the only thing he could do .