North Face Endurance Challenge

Distance: 50 miles
Date: June 1, 2013
Location: Sterling, VA
More Info: Event Web site

Series of races utilizing trails in the Algonkian Regional Park, Great Falls Regional Park and also the Potomac Heritage trail.  Saturday distances are 50 miles, 50 km and marathon.  Sunday races will be a half marathon, a 10 km and a 5 km.

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