(May 1 press release) Who: American Birkebeiner Ski Foundation What: Registration opened for the 2019 American Birkebeiner Ski Foundation slate of events. When: As of noon today, well over 1000 registrations have already been received for the Slumberland American Birkebeiner race alone. Event Dates: Friday, February 22, 2019 Kortelopet 29K Ski Race North America’s second largest cross-country ski race Prince Haakon 15K Ski Race Saturday, February 23, 2019 45th Annual Slumberland American Birkebeiner “Birkie” 50K/55K...