The Cherry Blossom 10 Mile Run is THE world premier 10 mile race.  Lots of world class runners, etc. It's a must for all serious racers.  

On-line registration is typically open for only about 1 day till it fills up.   On-line registration for the Credit Union Cherry Blossom Ten Mile Run will open at 10 a.m. EST on December 11, 2006.

Anyone who can qualify for seeded status should do so.  You'll have a guaranteed slot and it's an honor to start up just behind the world class folks.  
Check out the qualifying times here www.cherryblossom.org/eliteseeded.htm