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find Halloween events for every vibe.

Dog events in Boulder, CO

Keep the Cookies, Ya Filthy Animal!: Home Alone Trivia & Cookie Decorating
Fri, Nov 21, 6:00 PM
Denver · Museum of Contemporary Art Denver
Keep the Cookies, Ya Filthy Animal!: Home Alone Trivia & Cookie Decorating
Fri, Nov 21, 6:00 PM
Denver · Museum of Contemporary Art Denver
Sales end soon
Pumpkin Carving Party at Federales in RiNo
Thursday at 4:00 PM
Denver · Federales Tacos & Tequila - RiNo, Denver
Sales end soon
Pumpkin Carving Party at Federales in RiNo
Thursday at 4:00 PM
Denver · Federales Tacos & Tequila - RiNo, Denver
DIY Wreath Workshop
Tue, Nov 11, 6:00 PM
Denver · BrewDog Denver
DIY Wreath Workshop
Tue, Nov 11, 6:00 PM
Denver · BrewDog Denver
️ BreathGiving 2025! Conscious Connected Breathwork + Community Meal
Sun, Nov 2, 6:00 PM
Denver · The Organic Salon Denver
️ BreathGiving 2025! Conscious Connected Breathwork + Community Meal
Sun, Nov 2, 6:00 PM
Denver · The Organic Salon Denver
Boulder Dash Amazing Race & Tour
Today at 11:00 AM + 119 more
Boulder · West End Tavern
Boulder Dash Amazing Race & Tour
Today at 11:00 AM + 119 more
Boulder · West End Tavern
Boulder Dash Scavenger Hunt
Today at 11:00 AM + 419 more
Boulder · West End Tavern
Boulder Dash Scavenger Hunt
Today at 11:00 AM + 419 more
Boulder · West End Tavern
Author Talk: The Divine Disruption Experience
Sat, Nov 8, 4:00 PM
Denver · The Shop at MATTER
Author Talk: The Divine Disruption Experience
Sat, Nov 8, 4:00 PM
Denver · The Shop at MATTER
Selling quickly
History Mystery Tour - Fairmount Cemetery 10/18/2025 8PM
Today at 8:00 PM
Denver · Fairmount Cemetery - TOUR BEGINS AT IVY CHAPEL
Selling quickly
History Mystery Tour - Fairmount Cemetery 10/18/2025 8PM
Today at 8:00 PM
Denver · Fairmount Cemetery - TOUR BEGINS AT IVY CHAPEL
Ghosts and Goblins 5K/10K - 2025
Sun, Oct 26, 9:00 AM
Denver · City Park
Ghosts and Goblins 5K/10K - 2025
Sun, Oct 26, 9:00 AM
Denver · City Park
Coloween 2025: Open Bar & Haunted Bounce Empire
Fri, Oct 31, 9:00 PM
Lafayette · Bounce Empire
Coloween 2025: Open Bar & Haunted Bounce Empire
Fri, Oct 31, 9:00 PM
Lafayette · Bounce Empire
Just added!
Unique Pet Cares
Sun, Apr 15, 3:00 AM
Lakewood · Lakewood
Just added!
Unique Pet Cares
Sun, Apr 15, 3:00 AM
Lakewood · Lakewood
Mary Flower
Fri, Dec 12, 8:00 PM
Denver · Swallow Hill Music - Daniels Hall
Mary Flower
Fri, Dec 12, 8:00 PM
Denver · Swallow Hill Music - Daniels Hall
Groovy Golden Scavenger Hunt
Today at 11:00 AM + 419 more
Golden · Higher Grounds Cafe
Groovy Golden Scavenger Hunt
Today at 11:00 AM + 419 more
Golden · Higher Grounds Cafe
Dark Circus Halloween Party
Fri, Oct 31, 8:00 PM
Denver · 1701 Platte St suite 101
Dark Circus Halloween Party
Fri, Oct 31, 8:00 PM
Denver · 1701 Platte St suite 101
Just added!
Main Event Windsor-Halloween Boo-wling Spooktacular*
Thu, Oct 30, 4:00 PM
Windsor · Main Event Windsor
Just added!
Main Event Windsor-Halloween Boo-wling Spooktacular*
Thu, Oct 30, 4:00 PM
Windsor · Main Event Windsor
25th Annual Lavender Gala, Celebration of Boulder County's Rainbow Elders
Sun, Dec 7, 12:00 PM
Lafayette · Nissi's Entertainment Venue & Event Center
25th Annual Lavender Gala, Celebration of Boulder County's Rainbow Elders
Sun, Dec 7, 12:00 PM
Lafayette · Nissi's Entertainment Venue & Event Center
Fairmount Foul Play and Funny Business Fireside Chat
Sat, Nov 1, 4:00 PM
Denver · Fairmount Cemetery - CHAPEL IN THE PINES
Fairmount Foul Play and Funny Business Fireside Chat
Sat, Nov 1, 4:00 PM
Denver · Fairmount Cemetery - CHAPEL IN THE PINES
Sales end soon
Halloween Costume Contest + Crafternoon
Tomorrow at 2:00 PM
Denver · Long Table Brewhouse, Fairfax Street, Denver, CO, USA
Sales end soon
Halloween Costume Contest + Crafternoon
Tomorrow at 2:00 PM
Denver · Long Table Brewhouse, Fairfax Street, Denver, CO, USA
Sales end soon
FBC Denver & Front Range October 2025 Bird Sit and Crafts
Tomorrow at 12:00 PM
Denver · Berkeley Lake Park
Sales end soon
FBC Denver & Front Range October 2025 Bird Sit and Crafts
Tomorrow at 12:00 PM
Denver · Berkeley Lake Park
Arvada Lifestyle's Pumpkin Carving Event- In Person & Virtual Watch Party
Fri, Oct 24, 6:00 PM
Arvada · Fade It Golf and Social Club
Arvada Lifestyle's Pumpkin Carving Event- In Person & Virtual Watch Party
Fri, Oct 24, 6:00 PM
Arvada · Fade It Golf and Social Club

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