The course is laid out nice with plenty of obstacles that can be done by pretty much anyone, hip deep water, 6-7 foot walls and things in between.
Great support throughout the course.

This is a great race and well-executed marathon. There are three distances available, but I liked that all the distances started at the same time and we could run together for a while. This wasn't a huge race, and I liked the personal feel and the course was along a river

This race is a bit expensive but totally worth the price. It's extremely well run, very well supported, and you can't beat the views as you run through Arlington and DC.