All-Out Kooky-Spooky

The All-Out Kooky-Spooky is a Halloween-themed running event held annually in Golden, Colorado, at the Jefferson County NAAC Stadium near Table Mountain. Scheduled for November 2, 2025, it offers multiple race distances including a half marathon, 10K, and 5K, with virtual options available for all distances. The courses feature scenic views of Colorado's Front Range and run along the Ralston Creek Trail by Arvada's Blunn Reservoir, suitable for all abilities.

The event includes a costume contest, medals for all finishers with free engraving, and personalized bibs. It is also an official BOLDERBoulder qualifier and supports the Colorado National Kidney Foundation. Visit the organization's website for the most recent information.