April 18 - 19, 2015

North Face Endurance Challenge - Washington DC

Algonkian Regional Park

Sterling, VA 50 Miler, 50K Relay, 50K, Marathon, 1/2 Marathon, 10K, 5K

Please click here for registration information. See the 2019 event

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Registration for this event is not being hosted on UltraSignup. However, we are selling a few discounted entries. Purchase any available entry by clicking on the green "Claim" button. Once paid for, you will receive instructions to register on the official website. If you do not see a "Claim" button, you can still register for the event using this Link.


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.


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