Halloween event Events and Things to do in Arvada, CO
Boos & Brews Halloween 5k @ Number 38 | 2026 CO Brewery Running Series
Saturday at 10:00 AM
Denver · Number Thirty Eight
Boos & Brews Halloween 5k @ Number 38 | 2026 CO Brewery Running Series
Saturday at 10:00 AM
Denver · Number Thirty Eight
Downtown Aquarium - Spirits Under the Sea Cocktail Event
Friday at 7:00 PM
Denver · Downtown Aquarium
Downtown Aquarium - Spirits Under the Sea Cocktail Event
Friday at 7:00 PM
Denver · Downtown Aquarium
Denver's Haunted Hop 2026: Halloween Bar Crawl (Saturday, Oct 31)
Saturday at 8:00 PM
Denver · The Ginn Mill
Denver's Haunted Hop 2026: Halloween Bar Crawl (Saturday, Oct 31)
Saturday at 8:00 PM
Denver · The Ginn Mill
DENVER ZOMBIE CRAWL - Halloween Bar Crawl - 20+ Bars - Oct. 30th & 31st
Friday at 7:00 PM + 1 more
Denver · Viewhouse Ballpark
DENVER ZOMBIE CRAWL - Halloween Bar Crawl - 20+ Bars - Oct. 30th & 31st
Friday at 7:00 PM + 1 more
Denver · Viewhouse Ballpark
Animation Domination: Live Music and Cartoon Costumes
Friday at 7:00 PM
Denver · Town Hall Collaborative
Animation Domination: Live Music and Cartoon Costumes
Friday at 7:00 PM
Denver · Town Hall Collaborative
Denver, CO - Halloween Bash @ Punch Bowl Social
Saturday at 9:00 PM
Denver · Punch Bowl Social Denver
Denver, CO - Halloween Bash @ Punch Bowl Social
Saturday at 9:00 PM
Denver · Punch Bowl Social Denver
Denver Tamasha Bhoots: Bollywood Halloween Party @The Church Nightclub
Friday at 10:00 PM
Denver · The Church Nightclub
Denver Tamasha Bhoots: Bollywood Halloween Party @The Church Nightclub
Friday at 10:00 PM
Denver · The Church Nightclub
Denver HALLOWEEN LOCK & KEY SINGLES PARTY Age 25-59 ♥ Costumes Optional
Friday at 7:00 PM
Denver · Brewdog Denver
Denver HALLOWEEN LOCK & KEY SINGLES PARTY Age 25-59 ♥ Costumes Optional
Friday at 7:00 PM
Denver · Brewdog Denver
FREE SHOW SATURDAY HALLOWEEN $500 COSTUME PARTY WITH THE GRIND
Saturday at 7:00 PM
Northglenn · @ Cheers
FREE SHOW SATURDAY HALLOWEEN $500 COSTUME PARTY WITH THE GRIND
Saturday at 7:00 PM
Northglenn · @ Cheers
VaudeTHRILLaisance - Burlesque Variety Show - Comedy - A Night of Sinful Sp
Friday at 7:00 PM
Northglenn · @ Cheers
VaudeTHRILLaisance - Burlesque Variety Show - Comedy - A Night of Sinful Sp
Friday at 7:00 PM
Northglenn · @ Cheers
