I have run this race 7 times and it never disappoints. You can't beat rounding the first corner and seeing the Pentagon expanse in front of you. Not only is this race in commemoration of the first responders of 9/11, the race is extremely well run and the post-race party is

"The course is great, though the last 2 miles have a lot of concrete which is hard to run on especially after running for 11 miles before. A couple more aid stations would be better, definitely were not enough especially second half which is hotter and some uphill.
No medals

Excellent course by far. One of my favorite. Professionally done. Only bad thing is the awards are awarded to 10 year age spans rather than 5 years which is a mistake.
Top of the line shirts they give out.

This is an event you will want to do each year. I