The Great St. Louis Halloween Race

The Great GO! St. Louis Halloween Race

The Great GO! St. Louis Halloween Race takes place in Eureka, Missouri at Kircher Park over a weekend in late October 2026. The event offers multiple run and walk options and features seasonal elements such as a costume contest and a Trick-or-Treat Village in Kircher Park.

Available race distances include:

• Half Marathon (13.1 miles)
• 10K
• 5K
• 1-Mile Fun Run
• 1-Mile Costumed Dog Walk (The Great PUPkin Run)

The Great PUPkin Run is a one-mile run/walk for pets and their humans; costumes are encouraged, leashes are required, and a puppy costume contest returns with a festive finisher medal for pets. Participants receive a premium long sleeve shirt, a festive finisher medal, a digital finisher certificate, and a post-race treat bag. Post-race offerings include candy treats, Schlafly beer for participants over 21, and vendor activity in the finish area.

Results, packet pickup over the race weekend, parking maps, and street closure information are provided for participants. Age group pumpkin pie awards are given to the top three finishers in each age group for the Half Marathon, 10K and 5K. Prize money is awarded to the top three men and women in the 10K and Half Marathon with amounts of $300, $200 and $100. Time limits are enforced for each distance. Visit the organization's website for the most recent information.

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