U.S. National Kubb Championship
www.usakubb.org
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
The U.S. National Kubb Championship is the largest kubb tournament outside of Europe and one of the largest in the world. It is one of two two-day tournaments, along with the World Championship in Rone, Gotland in Sweden.