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Three participants with their leashed dog at the Boos & Brews Halloween 5k, a pet-friendly event in Denver, CO. Photo by @cobreweryrun.
Dogs crossing the finish line with their owners during the pet-friendly Boos & Brews Halloween 5k in Denver, CO. Photo by @cobreweryrun.
A leashed pup standing on the sidewalk at the Boos & Brews Halloween 5k, a dog-friendly event in Denver, CO. Photo by @cobreweryrun.
Dogs in Halloween shirts racing at the pet-friendly Boos & Brews Halloween 5k, an annual event in Denver, CO. Photo by @cobreweryrun.
Three participants with their leashed dog at the Boos & Brews Halloween 5k, a pet-friendly event in Denver, CO. Photo by @cobreweryrun.
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Dogs crossing the finish line with their owners during the pet-friendly Boos & Brews Halloween 5k in Denver, CO. Photo by @cobreweryrun.
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A leashed pup standing on the sidewalk at the Boos & Brews Halloween 5k, a dog-friendly event in Denver, CO. Photo by @cobreweryrun.
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Dogs in Halloween shirts racing at the pet-friendly Boos & Brews Halloween 5k, an annual event in Denver, CO. Photo by @cobreweryrun.
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Three participants with their leashed dog at the Boos & Brews Halloween 5k, a pet-friendly event in Denver, CO. Photo by @cobreweryrun.
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Dogs crossing the finish line with their owners during the pet-friendly Boos & Brews Halloween 5k in Denver, CO. Photo by @cobreweryrun.
Previous
Next
A leashed pup standing on the sidewalk at the Boos & Brews Halloween 5k, a dog-friendly event in Denver, CO. Photo by @cobreweryrun.
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Next
Dogs in Halloween shirts racing at the pet-friendly Boos & Brews Halloween 5k, an annual event in Denver, CO. Photo by @cobreweryrun.
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Boos & Brews Halloween 5k

Mark your calendars for Boos & Brews Halloween 5k! This dog-friendly event will be held from 10:00 AM–1:00 PM on October 31, 2026 at Number Thirty Eight in Denver, CO. Admission starts at $35. Visit Website

Or email brady@breweryrunningseries.com for more information.

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Description

This fun run event starts and ends at the brewery. Run, walk or jog to complete the course and celebrate with a free, local craft brew at the finish line! Participants also receive a collector’s pint glass or seasonal swag item from the Brewery Running Series and a chance at door prizes. Dress up to participate in the costume contest!

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