MonsterDash Run Series - Scary Clowns & Circus Theme
Participants run or walk themed 5k, 10k, or kids courses while keeping an eye out for hidden monsters along the path to win prizes. Most runners dress in costume to take part in contests with categories including best monsters, most original, and best family. The post-race expo offers music, giant themed inflatables, food, drinks, and an untimed pie-eating contest.
Oct 24 – Oct 25, 2026
See more family-friendly fall activities near Denver / Louisville
Plan Your Visit
Hours
Denver race: 9:30am; Louisville Half Marathon: 9am; Louisville 5k/10k: 10am; Kids Scary Mile: Denver 11:00am, Louisville 11:30pm.
Ages
All ages (Kids Mile for 4-13 yrs)
Neighborhood
Sloan's Lake / Community Park
Food & Drink
Food and drink vary by location: Denver lists BBQ, popcorn, cotton candy, snacks, water and sports drinks, plus coffee and hot chocolate at packet pickup; Kids Scary Mile participants receive a hot dog and Capri-Sun.
Parking
Both Denver and Louisville offer plenty of neighborhood parking. There is parking all within 200 yards of the Event Expo. Please do not park blocking driveways.
Accessibility
Courses are flat and wide enough to accommodate strollers and walkers.
Pets
Dogs are welcome to come run.
Location
Tips & Advice
- Look for hidden monster toys along the race course and carry them to the finish line to claim prizes.
- If participating with a stroller, plan to line up at the back of the pack at the start.
- Keep all dogs on a leash at all times while at the event.
Special Events & Promotions
- Denver runners can register early for early price breaks.
- The 2026 theme is Monsters.
- A half marathon is being added in Louisville for 2026.
Links & Contact
Halloween Events Near Me is an independent guide, not the organizer of this event. For tickets, entries, vendor spots or questions, contact the organizer directly through their contact page.
Frequently Asked Questions
Can participants run in costume?
Yes, costumes are strongly encouraged, and prizes are awarded for categories like best monsters, most original, and best family.
Are dogs allowed to run the race?
Yes, dogs are welcome but must remain on a leash at all times during the event.
Are strollers allowed on the course?
Yes, strollers are welcome on the courses, though stroller runners are asked to start near the back of the pack.
What items are included for 5k and 10k runners?
Participants receive a themed collector bib, finisher medal, runner buff, pint glass, glow sticks, and post-race food and drinks.
What is the Kids Scary Mile?
It is a fun run designed for children ages 3 to 12, featuring a kid bib, finisher medal, hot dog, and drink, with parents welcome to run alongside.
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Always check the official website for the most current information.
We've done our best to keep details up-to-date, but event schedules, prices, and policies can change. For the latest updates, please visit the official website or contact the organizers directly. Halloween Events Near Me is an independent guide and isn't affiliated with the events we list.