This is great news. This should be a pretty fast race on a beautiful course. I had to drop out of the full marathon last year because of the high heat and humidity, but I think I may go back next year for the half.
Grandma's Marathon to Host Men's and Women's 2012 and 2013 Half Marathon Championships USATF and Grandma's Marathon announced that the 2012 and 2013 USA Half Marathon Championships will be hosted by Grandma's Marathon in Duluth in conjunction with the Marathon and the Garry Bjorklund Half Marathon held in Duluth in June of each year.
http://www.marathonguide.com/pressreleases/index.cfm?file=GrandmasMarathon_100504 More about Grandma's Marathon