The American Birkebeiner Ski Foundation is a 501(c)(3) non-profit organization dedicated, as reflected in the Birkie Mission Statement, to hosting one of the world's best cross country ski events, the American Birkebeiner, maintaining one of the nation's premier recreation trails, and promoting healthy lifestyles for people of all ages. The American Birkebeiner is made up of several events in addition to the 50K and 54K Birkie marathon races and the 23K Kortelopet race (the second largest ski race in North America).