Name: The Great GO! St. Louis Halloween Race
Start: 2026-10-24
End: 2026-10-25
Location: St. Louis, Missouri

About the Event

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!

Races Offered

Virtual 10K

Oct 24, 2026

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Distance — 6.2 Miles

terrain

Type — Running

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00:00

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$50.00

Virtual 5K

Oct 24, 2026

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Distance — 3.1 Miles

terrain

Type — Running

timer

00:00

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$50.00

Virtual Fun Run

Oct 24, 2026

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Distance — Virtual Fun Run

terrain

Type — Running

timer

00:00

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$50.00

Virtual Half Marathon

Oct 24, 2026

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Distance — 13.1 Miles

terrain

Type — Running

timer

00:00

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$50.00

5K

Oct 24, 2026

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Distance — 3.1 Miles

terrain

Type — Running

timer

07:30

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$35.00

1-Mile Fun Run

Oct 24, 2026

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Distance — 1 Miles

terrain

Type — Running

timer

08:45

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$20.00

The Great PUPkin Run (1-Mile Costume Dog Walk)

Oct 24, 2026

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Distance — 1 Miles

terrain

Type — Running

timer

09:15

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$30.00

10K

Oct 25, 2026

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Distance — 6.2 Miles

terrain

Type — Running

timer

07:00

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$50.00

Half Marathon

Oct 25, 2026

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Distance — 13.1 Miles

terrain

Type — Running

timer

07:00

sell

$65.00

Weather Overview

These values represent the 3-year monthly averages for October in St. Louis.

Temp (°C)

Feels Like (°C)

thermostat 11.3° / 21.7°

wb_sunny 9.1° / 19.7°

Wind (km/h)

Humidity (%)

air 11.1 /

water_drop 65.8%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 11.3° / 21.7°

wb_sunny 9.1° / 19.7°

air 11.1 km/h

water_drop 65.8%

About St. Louis

The Gateway City of St. Louis is the epitome of the modern Midwestern metropolis. Missouri's second-largest city is vibrant but laid-back, populous but navigable, historic but still relevant. The city's planners have created an aesthetically beautiful city, with plenty of green space amidst buildings both old and new, framed by the majestic Mississippi and Missouri rivers. And capping it all is the world's tallest man-made monument, the beautiful and iconic Gateway Arch.