Spooky Sprint Denver

Spooky Sprint Denver runs at Chatfield State Park in Littleton on Saturday October 3, 2026, with a one mile, 5K, 10K and half marathon on the trails. It is a costume-friendly Halloween race put on by Bodies Race Company, who run a series of themed events across the Front Range through the fall and winter. Entry runs roughly $20 to $73 depending on distance and how early you register.