The Great GO! St. Louis Halloween Race
The Great GO! St. Louis Halloween Race is a running race on October 24–25, 2026 in St. Louis, MO, with entry fees from $30 to $100.
- Date
- October 24–25, 2026 (3 days to go)
- Location
- 5029 Northrup Ave, St. Louis, MO
- Price
- $30–$100
- Sport
- Running
From the Organizer
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!
Events
Race-Day Forecast
Live forecast from the U.S. National Weather Service.
Race Day 1
Saturday, 10/24
High
76°
Low
52°
Mostly sunny
Race Day 2
Sunday, 10/25
High
78°
Low
53°
Partly sunny
About St. Louis, MO
Population
293,109
as of 2023
City Elevation
471 ft
Nearest Airport
STL
St. Louis Lambert International Airport · 9 mi
Time Zone
Central Time
From Endurance Grid
A big city race. Expect multiple lodging options and plenty to do the day before.
Race Location
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at The Great GO! St. Louis Halloween Race, put it on the calendar, and turn “someday” into a start date.
3
Days to train
- Race
- The Great GO! St. Louis Halloween Race
- Date
- October 24–25, 2026
- Location
- 5029 Northrup Ave, St. Louis, MO
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About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
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Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
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Frequently Asked Questions
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The Great GO! St. Louis Halloween Race
Oct 24, 2026