Kennesaw Grand Prix Race Series: Nightmare on Main 5K

The final installment of the 2026 Kennesaw Grand Prix Series returns with Nightmare on Main 5K, set for October 31st. Get ready to step into the heart of historic downtown Kennesaw as you lace up your shoes and don your spookiest Halloween costume.
This year’s race promises a thrilling blend of fitness, community spirit, and festive fun. The course winds through Swift-Cantrell Park, an award-winning green space known for its beauty and tranquility, before leading runners into the bustling center of Kennesaw. With its fast, flat terrain certified by USATF, this 5K is perfect for both seasoned competitors aiming to break their personal records and casual walkers enjoying a family-friendly outing.
Don’t miss out on securing your race t-shirt; register by Sunday, October 25th, to guarantee one. After the deadline, while you can still sign up until race morning, no shirts will be available post-deadline. Mark your calendar now for this high-energy event that transforms Kennesaw’s streets into a Halloween haven.
Early bird pricing is in effect until February 20, 2026; after which, a $5 discount on the children's registration fee (for participants under 10 years old) will be automatically applied during checkout. Note, however, that this child discount cannot be combined with any series discounts.
With no refund policy but an option to purchase event insurance for added peace of mind, join us for a morning filled with excitement and community spirit. Whether you’re running or walking, Nightmare on Main 5K is designed to bring joy and a sense of camaraderie that only Halloween can provide.