I recently got the following email…
Dear Racer,
Congratulations! You have qualified for the 2009 USA Cycling Mountain Bike National Championships scheduled for July 16-19, 2009 at Sol Vista Basin in Granby, CO
Venue Information
Online race registration will open April 1, 2009 through www.sportsbaseonline.comIf you haven’t already renewed your 2009 USAC-MTB license, now is the time to do it! Licenses purchased now are good through December 31, 2009. All riders must have an annual USAC-MTB license in order to compete at the 2009 USA Cycling Mountain Bike National Championships.
USA Cycling license renewal information
Hope to see you there! Good luck with your season.
Best Regards,
Kelli Lusk
USA Cycling, Inc.
Mountain Bike Events and Program Director
AWESOME, I DID IT!!! I QUALIFIED!!!!!!!!!!!!!!!
Wait… if memory serves me correctly… the last NORBA sanctioned race I competed in was in June 2008! So what have I done to qualify for the US Nationals? I mean this email was very personal “Dear Racer” and was sent specifically to me, right?!
Oh, I figured it out… 
Peak Cycles - BikeParts.com Blog 