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Additional race information can be found at http://www.eventbrite.com/e/2016-the-north-face-endurance-challenge-washington-dc-registration-16962147239?aff=calendarlisting.
The North Face Endurance Challenge returns to Algonkian Regional Park, Great Falls Park and the Potomac Heritage Trail. The course keeps runners on their toes with ever-changing terrain. The course consists of mainly single and double track with a few spots of carriage road in the mix. Trail running distances available are 50 Mile, 50K, Marathon, Marathon Relay, Half Marathon, 10K and 5K.
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