Pigtails Challenge
Renton, United States • 24-25 May 2025
The Pigtails Challenge is a multi-distance ultramarathon held at Lake Youngs Watershed in Renton, Washington, over the weekend of May 24-25, 2025. Participants can choose from various events, including 50K, 100K, 100-mile, 150-mile, and 200-mile races. The course features a 9.4-mile loop with 900 feet of elevation gain per lap, suitable for training or testing endurance. The race emphasizes a supportive atmosphere, with aid stations, race swag, and food provided. The event also offers opportunities for runners to attempt new distances and challenge their mental and physical limits in a scenic, well-supported setting. Visit the organization's website for the most recent information.