The Great St. Louis Halloween Race

The Great GO! St. Louis Halloween Race : Eureka, Missouri, October 24–25, 2026

The event is a two‑day Halloween themed race weekend held at Kircher Park in Eureka, Missouri. Distances offered include:

• Half Marathon
• 10K
• 5K
• 1‑Mile Fun Run
• The Great PUPkin Run (1 mile costume dog walk)
• Virtual Half Marathon, Virtual 10K, Virtual 5K, Virtual Fun Run

Participants receive a premium long sleeve shirt, a festive finisher medal, a digital finisher certificate and a post‑race treat bag. The weekend features a festival area in Eureka's business district with post‑race candy and beer available to participants over 21. A costume contest is held after each distance and awards are given for age group and overall results; the top three in each age group for the Half Marathon, 10K and 5K receive pumpkin pies. Prize money is awarded to the top three male and female finishers in the 10K and Half Marathon.

Race rules and services are stated clearly: walking is allowed but time limits are enforced (Half Marathon 3 hours 15 minutes, 10K 1 hour 30 minutes, 5K 1 hour). Strollers are permitted in the 1‑Mile Fun Run, 5K and 10K with an instruction to start at the back. Pets are only allowed in the Great PUPkin Run. Refunds are not issued and registration transfers are not permitted. A medical deferral option is available for Half Marathon entrants under specified conditions. Visit the organization's website for the most recent information.

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