Registration for the 2014 Swix American Birkebeiner officially closed Tuesday at 2:00 pm (CST) as the Birkebeiner 50/54K and Kortelopet 23K events reached a combined total of 10,000 skiers and an historic new race cap. Another first, this is again the earliest in the 41-year history of the American Birkebeiner that registration for the Birkie and Korte has closed.