Haunted Hills 10K Redwood City

The Haunted Hills 5K & 10K in Redwood City is a festive running event featuring a Halloween-themed adventure through decorated neighborhoods. Participants, in teams of 1 to 5, use headlamps or flashlights to navigate approximately 20 checkpoints for the 5K or 36 for the 10K, answering simple questions along the way. The event combines physical activity with fun, spooky decorations, and concludes with refreshments and socializing at the finish line.

It offers a unique way to celebrate Halloween while enjoying community and outdoor exercise. Registration closes the day before the event. Visit the organization's website for the most recent information.