The Great St. Louis Halloween Race

OCT
24-25
2026
A Halloween weekend run in Eureka, Missouri with distances from a 1 mile fun run to a half marathon. The event features a costumed dog walk, a costume contest, post race treats, finisher medals and prize money.
24-25 Oct 2026
13 miles 10 kilometers 5 kilometers

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The Great GO! St. Louis Halloween Race

The Great GO! St. Louis Halloween Race is a weekend running event held October 24 and 25, 2026 in Kircher Park, Eureka, Missouri. The event offers multiple distances and a family friendly festival atmosphere in the park.

Distances include:

  • Half marathon
  • 10K
  • 5K
  • 1‑Mile Fun Run
  • 1‑Mile costumed dog walk (Great PUPkin Run)

Participants receive a premium long sleeve shirt, a festive finisher medal, a digital finisher certificate, and a post race treat bag. The event includes a Costume Contest with prizes from local businesses and a Trick or Treat Village in Kircher Park. Post race treats and Schlafly beer for participants over 21 are part of the finish area offerings.

Race rules note that pets are allowed only in the Great PUPkin Run and that leashes are required; strollers or baby joggers are permitted in the 1‑Mile Fun Run, 5K, and 10K with runners using the back of the start area. Time limits are enforced for safety: Half Marathon 3 hours 15 minutes, 10K 1 hour 30 minutes, 5K 1 hour. Awards include pumpkin pies for age group top three finishers in the Half Marathon, 10K, and 5K, and prize money for the top three male and female finishers in the 10K and Half Marathon. Race day parking is provided at nearby lots and some local streets are closed during the event. Visit the organization's website for the most recent information.

13 mi
Half Marathon
10 km
10k
5 km
1-Mile Fun Run
Great Pupkin Run
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