The North Face Endurance Challenge Series

The North Face Endurance Challenge is North America’s premier trail-running series that features two-day, trail-running festivals in six locations across North America: New York, Washington, D.C., Ontario, Wisconsin, Utah and California. Known for its challenging, yet scenic courses, the Endurance Challenge offers a variety of race distances for runners to choose from: 5K, 10K, Half-Marathon, Marathon Relay, Marathon, 50K and 50 Mile. Each stop offers a unique trail-running experience for athlete of all skill levels, from the rolling hills of Wisconsin, to the technical surface of New York’s Bear Mountain, to the steep climbs and descents of California’s Marin Headlands.   The North Face Endurance Challenge. Explore your trail. Endure your challenge.