Kornelia Marek is a Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 cross country skier who has been competing since 2002. At the 2010 Winter Olympics

2010 Winter Olympics

The 2010 Winter Olympics, officially the XXI Olympic Winter Games or the 21st Winter Olympics, were a major international multi-sport event held from February 12–28, 2010, in Vancouver, British Columbia, Canada, with some events held in the suburbs of Richmond, West Vancouver and the University...

 in Vancouver

Vancouver

Vancouver is a coastal seaport city on the mainland of British Columbia, Canada. It is the hub of Greater Vancouver, which, with over 2.3 million residents, is the third most populous metropolitan area in the country,...

, she finished sixth in the 4 x 5 km relay, ninth in the team sprint, 11th in the 30 km, 35th in the 7.5 km + 7.5 km double pursuit, and 39th in the 10 km events.

At the FIS Nordic World Ski Championships 2009 in Liberec

Liberec

Liberec is a city in the Czech Republic. Located on the Lusatian Neisse and surrounded by the Jizera Mountains and Ještěd-Kozákov Ridge, it is the fifth-largest city in the Czech Republic....

, Marek finished sixth in the 4 x 5 km relay, 21st in the 30 km, 29th in the 10 km, 40th in the 7.5 km + 7.5 km double pursuit, and 66th in the individual sprint events.

Her best career finish was ninth in a 4 x 5 km relay in France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 in 2008 while her best individual finish was 23rd at a 10 km event in Estonia

Estonia

Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...

 in January 2010.

On March 11, 2010, it was reported that Marek was tested positive for EPO

EPO

-Organizations:*EPO Gaming An Entertainment Poker Company based out of Austin, TX*EPO , a Belgian publishing company*European Patent Organisation or its main organ the European Patent Office, a public international organisation...

 by the Polish Olympic Committee

Polish Olympic Committee

-List of presidents:* Stefan Lubomirski * Kazimierz Lubomirski * Kazimierz Glabisz * Alfred Loth * Włodzimierz Reczek * Bolesław Kapitan * Marian Renke * Bolesław Kapitan...

. If found guilty of doping by the International Olympic Committee, Marek and the relay teams would be disqualified and stripped of their Vancouver results. She would also be banned from the next Winter Olympics in Sochi, Russia, in 2014. On 7 April, 2010, it was announced that she will be banned from all competitions for two years.