Missouri · Half Marathon · 10K · 5K
The Great GO! St. Louis Halloween Race
The Great GO! St. Louis Halloween Race is a half marathon, 10K, 5K and 1-Mile Fun Run event held in Eureka, Missouri. It was last held on October 24, 2026 and is usually run in October; the next date hasn't been announced yet. About 3,000 runners take part across all distances.
- Usually held
- October
- Location
- Eureka, MO
- Field size
- ~3,000 runners
Race details
- Last held
- October 24, 2026
- Usually held in
- October
- Location
- Eureka, Missouri
- Distances
- Half Marathon, 10K, 5K, 1-Mile Fun Run
- Field size
- About 3,000 runners
- Course
- Rolling hills
- Registration
- runsignup.com
- Official website
- gostlouis.org
Registration, course & weather
- Start time
- 7:00 AM CDT
- Course profile
- Loop course; Road surface
About the The Great GO! St. Louis Halloween Race
A festive, costume-friendly fall race based in Eureka offering a half marathon, 10K, 5K and dog walk with a Halloween twist.
Rankings and notes
- Rankings and awards
- One of the largest fall costume races in the St. Louis area; USATF-certified
More half marathons in Missouri
Coming up next, by confirmed date.
-
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-
MO' Cowbell Marathon/Half-Marathon/10K/5KSaint Charles, MOMarathonHalf Marathon42.195K21.0975K +2 more ~3,000 runners
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
The Great GO! St. Louis Halloween Race: common questions
- When is the The Great GO! St. Louis Halloween Race?
- The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
- Where is the The Great GO! St. Louis Halloween Race held?
- In Eureka, Missouri.
- What distances does the The Great GO! St. Louis Halloween Race offer?
- Half Marathon, 10K, 5K and 1-Mile Fun Run.
- How many people run the The Great GO! St. Louis Halloween Race?
- About 3,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the The Great GO! St. Louis Halloween Race?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- What time does the The Great GO! St. Louis Halloween Race start?
- 7:00 AM CDT.
- What is the course like at the The Great GO! St. Louis Halloween Race?
- Loop course; Road surface.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.