Marit Bjørgen (born 21 March 1980) is a retired Norwegian cross-country skier who is the most decorated athlete, male or female, in Winter Olympics history with 15 medals.
She is ranked first in the all-time Cross-Country World Cup rankings with 114 individual victories.
Bjørgen is also the most successful sprinter in Cross-Country World Cup history, with 29 victories.
She headed the medal table at the 2010 Winter Olympics by winning five medals, including three gold.
A five-time Olympian, her five Olympic medals at the 2018 Pyeongchang Games brought her total number of medals up to a record 15, the most by any athlete (female or male) in Winter Olympics history.On 6 April 2018, she announced her retirement from cross–country skiing following the 2017–18 season.