Hiking trail

Ballston, VA to Key Bridge DC Oct 16, 2010 (11 miles): 16 Oct, 2010 (18 km)
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distance (km)speed (km/h)elevation (m)Speed (km/h), Elevation (m), Distance (km) Vs Time (hours)time (hours)Distance (km)Elevation (m)Speed (km/h)
distance (km)(0.04, 0.19)