The Great GO! St. Louis Halloween Race
About this race
The Great GO! St. Louis Halloween Race features a half marathon, 10K, 5K, 1-mile fun run and 1-mile costume dog walk – with a special Halloween twist! From the serious road racer to the family dressed head-to-toe in costume completing the race together, this is a can't-miss fall event!
Held in picturesque Eureka, MO and The Great GO! St. Louis Halloween Race will feature partnerships with local businesses, and of course - a top-quality race with all the great things you've come to expect from GO! St. Louis events!
In addition to our line-up of events, runners will be treated to great post-race amenities including plenty of candy (it IS Halloween, after all!), 4 Hands beer for the over 21-participants, and a great festival area in Eureka's business district! And don't forget to dress in costume - the Great GO! St. Louis Halloween Race Costume Contest will return this year!
Join fellow runners on October 24, 2026 for the The Great GO! St. Louis Halloween Race. It's a fantastic 5K, 1.6K, Half-Marathon, 10K featuring a flat and fast course in Saint Louis.
Pick your distance
Running
5K
1-Mile Fun Run
The Great PUPkin Run (1-Mile Costume Dog Walk)
Virtual Half Marathon
Can't join us in person? Run Virtually! Anywhere...any time! We'll mail race packets the week of October 21, 2024.
Virtual 10K
Can't join us in person? Run Virtually! Anywhere...any time! We'll mail race packets the week of October 21, 2024.
Virtual 5K
Can't join us in person? Run Virtually! Anywhere...any time! We'll mail race packets the week of October 21, 2024.
Half Marathon
10K
Weather Overview
These values represent the 9-year monthly averages for October in Saint Louis.
About Saint Louis
The Great GO! St. Louis Halloween Race takes place in Saint Louis, Missouri, United States. The local timezone is America/Chicago.
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🏃 Plan Your Next Race in Saint Louis
Find upcoming events by distance:
- Saint Louis 5K Races Best Saint Louis routes for beginners and speed work.
- 10K Run Events in Saint Louis The most popular local distance in Missouri.
- Saint Louis Half Marathons Top-rated 21.1K courses in the Saint Louis area.
- Marathons in Saint Louis Scenic 42.2K routes and Saint Louis Boston qualifiers.
- Saint Louis Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
