Carkeek 12 Hour

Seattle, United States • 25 Oct 2025

The Carkeek 12 Hour is a challenging running event held in Seattle, WA, known for its tough terrain and unpredictable weather. Participants can choose to run for either 12 hours or 6 hours on a 1.93-mile loop, with the option of a shorter loop for those seeking an extra challenge. The event, taking place on October 25, 2025, encourages a festive atmosphere with Halloween costumes, offering prizes for the best outfits. Additionally, it serves as a fundraiser for trail work and advocacy in the Northwest, with all registration fees supporting local trails. Visit the organization's website for the most recent information.

Race information

12 hr
12hr
6 hr
6hr
Visit the organization's website for the most recent information.
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