Haunted Hills 10K Redwood City
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Event overview
The Haunted Hills 5K & 10K is a Halloween-themed walking and running event in Redwood City, CA, on October 25, 2025. It is organized as a trick-or-treat style course for adults and families. Participants form teams of 1 to 5 people and move through decorated neighborhoods while locating displays and answering simple multiple-choice questions at checkpoints. Participants are asked to bring a headlamp or flashlight. Refreshments and socializing are available at the finish area.
Course, distances and registration
Location: 939 Valota Rd., Redwood City, CA.
Distances:
- 5K
- 10K
The 5K route includes about 20 checkpoints. The 10K route includes about 36 checkpoints. Registration closes on Fri, Oct 24 at 11:59PM PT. Visit the organization's website for the most recent information.
