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!
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
Typical race-day weather
Based on 11 years of Open-Meteo archive data for this event's race dates in Saint Louis, plus the 3 days either side.
The sun rises at 7:19 AM and sets at 6:10 PM local time (CDT) in Saint Louis on October 24, 2026 — 10h 51m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — The Great GO! St. Louis Halloween Race
Other races near Saint Louis
Different organizers, within 40 miles, in the next three months
St. Louis Track Club Marathon Relay
Saint Louis Half Marathon and 5K
St. Louis Turkey Trot 5K & 8K
Girls on the Run Fall 5K
🏃 Plan Your Next Race in Saint Louis
Find upcoming events by distance:
- Saint Louis 5K Races 77 races
- 10K Run Events in Saint Louis 23 races
- Saint Louis Half Marathons 16 races
- Marathons in Saint Louis 2 races
- Saint Louis Running Calendar 2026 99 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 114 Saint Louis events
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