Tags: Skier.
Justyna Kowalczyk (born 19 January 1983) is a Polish cross country skier who has been competing since 2000.Kowalczyk is a double Olympic Champion and a double World Champion. She is also the only skier who won the Tour de Ski four times in a row and one of two female skiers who won the FIS Cross-Country World Cup three times in a row (the other one being Finn Marjo Matikainen).