Halloween Havoc Half Marathon - Fountain Valley, CA

The Halloween Havoc Half Marathon, held in Fountain Valley, CA, features a festive running experience with multiple race options, including a 5K, 10K, and half marathon. Scheduled for October 26, 2025, this event encourages participants of all skill levels to join in the fun while celebrating the Halloween spirit. Runners can expect a vibrant atmosphere, complete with themed activities and community engagement.

The event promotes fitness and camaraderie, making it a perfect occasion for both serious athletes and casual participants looking to enjoy a spirited race day. Visit the organization's website for the most recent information.