In 76 days · Sat, Oct 24, 2026
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Saturday, October 24th, 2026
5029 Northrup Ave, St. Louis MO
Half · 10K · 5K · 1 Mile
47–64°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2025
40–62°F
dry
2024
44–71°F
dry
2023
60–73°F
dry
2022
65–74°F
dry
2021
55–78°F
rain
2020
42–52°F
dry
2019
47–60°F
rain
2018
37–58°F
dry
2017
49–55°F
dry
2016
49–65°F
dry
Best months to race in Missouri →
About this race
Event Overview
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!
Location
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!
Post-Race Amenities
- Candy: Plenty of candy for everyone (it IS Halloween, after all!).
- Beer: 4 Hands beer for the over 21 participants.
- Festival Area: A great festival area in Eureka's business district!
- Costume Contest: Don't forget to dress in costume - the Great GO! St. Louis Halloween Race Costume Contest will return this year!
Event Details
Join us on October 24, 2026, at 5029 Northrup Ave, St. Louis, MO. For more information, visit the official race page.
Course map
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