Here is the NDRA schedule for 07 and the nhra isnt out yet, but I am sure its about the same. Closest race is 8hrs and probably 9-10 for you atlantans.
NDRA Drag Schedule
March 17/18 Phoenix, AZ (Combined with NOPI Drift Series)
April 28/29 Atco, NJ
May 19/20 MIR, MD
June 9/10 St Louis, IL (Combined with NOPI Drift Series)
July 21/22 Milan Michigan *New Venue
August 4/5 Epping NH
August 25/26 MIR, MD