Boos & Brews Halloween 5K
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Boos & Brews Halloween 5k at Number Thirty Eight, Denver
The event is a Halloween themed, untimed 5k that starts and ends at Number Thirty Eight taproom in Denver on October 31, 2026. Participants may walk, jog, or run the marked course; arrows and volunteers will help guide the route. The course is open to traffic and roads will not be closed, so participants must obey all traffic laws and exercise caution.
Costumes are encouraged as part of the annual Halloween format. The event includes a costume contest and trick or treating for children and other attendees who wish to participate. Kids under 12 may participate without a registration fee.
Each registered participant receives one free craft brew at the finish from the brewery, and a choice of a collector’s pint glass or a seasonal Brewery Running Series swag item. Registered underage participants receive a token for a free nonalcoholic beverage. There is a chance to win additional prizes and there will be live music, games, and event merchandise available.
The event is rain or shine and there will not be a bag check. Dogs and strollers are allowed on the course with care and caution; participants should consider brewery policies for animals and minors. A portion of proceeds supports local nonprofits. Registration is limited by taproom capacity and refunds are available up to seven days before the event. Visit the organization's website for the most recent information.