The Great St. Louis Halloween Race
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The Great GO! St. Louis Halloween Race
The Great GO! St. Louis Halloween Race takes place Saturday, October 24 to Sunday, October 25, 2026, in Eureka, MO. The event weekend includes an on-site festival in Eureka's business district, partnerships with local businesses, a costume contest, post-race candy, and beer for participants aged 21 and over. The schedule includes both in-person and virtual options.
Events and registration
The race program includes the following distances and event types:
- 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
Published entry fees include $65 for the half marathon, $50 for the 10K, $35 for the 5K, $20 for the 1-mile fun run, $30 for the PUPkin Run, and $50 for the virtual race group. The half marathon, 10K and 5K have minimum age requirements (half marathon 14+, 10K 12+, 5K 6+). Some fees increase after July 13, 2026, and the PUPkin Run fee increases after August 30, 2026. The 1-mile fun run registration closes on July 13, 2026 and reopens July 14, 2026. Multi-race bundle discounts are offered for combined entries with other local races. Visit the organization's website for the most recent information.
