Marthe Kristoffersen is a Norwegian

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 cross country skier who has competed since 2006. 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...

, she finished 21st in the 30 km and 49th in the 10 km event.

At the 2009 World Championship 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....

, she finished fourth in the 4 x 5 km, ninth in the individual sprint, and 12th in the 30 km events.

She has two World Cup victories, both in 4 x 5 km relays (2008, 2009). Kristoffersen also finished third at a 10 km event in Lahti

Lahti

Lahti is a city and municipality in Finland.Lahti is the capital of the Päijänne Tavastia region. It is situated on a bay at the southern end of lake Vesijärvi about north-east of the capital Helsinki...

 on 8 March 2009.

She finished in 11th place overall in the 2009–10 Tour de Ski

2009–10 Tour de Ski

The 2009–10 Tour de Ski took place 1-10 January 2010. The race started in Oberhof, Germany, and ended in Val di Fiemme, Italy. The defending champions are Switzerland's Dario Cologna for the men and Finland's Virpi Kuitunen...

.