Carkeek 12 Hour
Seattle, United States • 25 Oct 2025
The Carkeek 12 Hour is a challenging running event taking place in Seattle, WA, on October 25, 2025. Participants can choose to run for either 12 hours or 6 hours on a scenic 1.93-mile loop, known for its elevation gain and unpredictable weather. The event embraces a festive Halloween spirit, encouraging costumes and offering prizes for the best outfits. This race not only tests endurance but also serves as a fundraiser for trail work and advocacy in the Northwest. With a focus on fun and community, the Carkeek 12 Hour promises an exciting experience for all participants. Visit the organization's website for the most recent information.