One Entry Pass. Take part in one of North America’s most iconic cross-country ski events with this entry for the 2026 American Birkebeiner race on February 21, 2026. Covering 50 kilometers for skate skiing or 53 kilometers for classic skiing, the Birkie offers an unforgettable challenge through scenic Wisconsin trails. This entry code grants you access to the race, an incredible opportunity for skiers of all levels to join thousands of participants from around the world.