Hiking trail

Ballston, Arlington, VA to Old Town, Alexandria VA 11 April 2010 (13 miles): 11 Apr, 2010 (21 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)(0.08, 0.47)