Zombierunner Halloween

The ZombieRunner Halloween is a festive running event held at Hellyer County Park in San Jose, California. Scheduled for November 1, 2025, it offers multiple race distances including 5K, 10K, Half Marathon, Marathon, and various youth categories, plus a free Kid's Run for children six and under. The courses are mostly asphalt with a small portion on single-track trails, and the Half Marathon and Marathon are USATF certified.

Participants are encouraged to run in Halloween costumes for a chance to win prizes. The event features fully stocked aid stations, a cupless hydration policy to reduce waste, and awards for top finishers. The atmosphere is family-friendly and festive, with a costume contest adding to the Halloween spirit. Visit the organization's website for the most recent information.