Kornelia Kubińska participated in the FIS Nordic World Ski Championships 2009 (which took place 18 February – 1 March 2009 in Liberec, Czech Republic) at the age of 23 in the Individual 10 km (with a score of 29), the 15 km skiathlon (with a score of 39), the 30 km mass start (with a score of 20) and the sprint (with a score of 66).
Kornelia Kubińska participated in the FIS Nordic World Ski Championships 2009 (which took place 18 February – 1 March 2009 in Liberec, Czech Republic) at the age of 23 in the Individual 10 km (with a score of 29), the 15 km skiathlon (with a score of 39), the 30 km mass start (with a score of 20) and the sprint (with a score of 66).