Ballston VA to Key Bridge, DC to 14th St. Bridge 13 November, 2010 (18 miles)
I took the East Custis trail to Key Bridge. Got into DC at M St. Walked to the East end of M St. Joined Rock Creek Park Trail down to the 14th Street Bridge past the Lincoln and Jefferson Memorials. Crossed the bridge into Virginia. Got on to the Mt. Vernon Trail South. Went past Reagan National. Got on to the 4 mile run trail that joins W and OD trail. Then got home after a nice 18 mile walk.