It's a cool premise for a cross country ski race. This is the sister race of the similarly named race in Norway: https://en.wikipedia.org/wiki/American_Birkebe

It's a cool premise for a cross country ski race. This is the sister race of the similarly named race in Norway: https://en.wikipedia.org/wiki/American_Birkebeiner https://en.wikipedia.org/wiki/American_Birkebeiner