signage posted along the Run Rock N Roll Marathon race course in Bloomingdale

See this tweet and pic about this Saturday's Run Rock N Roll Marathon through Bloomingdale:

Bloomingdame ‏@bloomingdame  2h2 hours agoWashington, DC

#BloomingdaleDC rez on 2nd, Bryant and NCap-look for similar signs and plan ahead for the marathon this Saturday!

6:49 AM - 9 Mar 2015