The pre-race staging area will be at Ivymount School, 11614 Seven Locks Rd, Rockville, MD. The race begins on Gainsborourgh Rd. Pre and Post race water, first aid and restrooms are located at Ivymount School. Post race food, beverages, music and festival at Cabin John Shopping Center and Mall, located .3 miles south of Ivymount School.
Close up map of race staging area, pre and post race water station (note that there is no runner parking allowed in this area for safety reasons: