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find Halloween events for every vibe.

Events in Boulder, CO

Search for something you love or check out popular events in your area.

Nearly full
Peach Street Whiskey Class
Tuesday at 6:00 PM
Rolling Meadows · William Oliver's Lafayette
Nearly full
Peach Street Whiskey Class
Tuesday at 6:00 PM
Rolling Meadows · William Oliver's Lafayette
Whaaat!? Festival 2025
Sat, Oct 25, 10:00 AM
Main Campus · Roser ATLAS Center
Whaaat!? Festival 2025
Sat, Oct 25, 10:00 AM
Main Campus · Roser ATLAS Center
Joanne Lee Molinaro -- "The Korean Vegan: Homemade," with Scott Jurek
Wed, Oct 29, 6:30 PM
Downtown · First Congregational Church Of Boulder
Joanne Lee Molinaro -- "The Korean Vegan: Homemade," with Scott Jurek
Wed, Oct 29, 6:30 PM
Downtown · First Congregational Church Of Boulder
Ninety2K
Sat, Nov 1, 8:00 PM
Grace Mar · The Louisville Underground
Ninety2K
Sat, Nov 1, 8:00 PM
Grace Mar · The Louisville Underground
Songwriting Workshop: Writing Hooks and Expanding Harmony (4 Week Program)
Wednesday at 6:30 PM
East Boulder · Roots Music Project
Songwriting Workshop: Writing Hooks and Expanding Harmony (4 Week Program)
Wednesday at 6:30 PM
East Boulder · Roots Music Project
Selling quickly
"Buffalo" Phil Caragol -- "The Blunder Years"
Wed, Oct 22, 6:30 PM
Pearl Street Mall · Boulder Book Store
Selling quickly
"Buffalo" Phil Caragol -- "The Blunder Years"
Wed, Oct 22, 6:30 PM
Pearl Street Mall · Boulder Book Store
Oktoberfest Beer Choir
Sun, Oct 5, 3:00 PM
Saint Vrain Meadows · The Garden at Left Hand Brewing Company
Oktoberfest Beer Choir
Sun, Oct 5, 3:00 PM
Saint Vrain Meadows · The Garden at Left Hand Brewing Company
Selling quickly
Fall Hike at Eldorado Canyon State Park
Saturday at 8:00 AM
Eldorado Springs Canon · Eldorado Canyon State Park
Selling quickly
Fall Hike at Eldorado Canyon State Park
Saturday at 8:00 AM
Eldorado Springs Canon · Eldorado Canyon State Park
Selling quickly
Mexican: Mole
Wednesday at 4:45 PM
Majestic Heights · Auguste Escoffier School of Culinary Arts
Selling quickly
Mexican: Mole
Wednesday at 4:45 PM
Majestic Heights · Auguste Escoffier School of Culinary Arts
Selling quickly
Full Moon Sound Bath w/ hands-on Reiki
Saturday at 2:30 PM
Crossroads · Front Range Judo
Selling quickly
Full Moon Sound Bath w/ hands-on Reiki
Saturday at 2:30 PM
Crossroads · Front Range Judo
R. L. Maizes -- "A Complete Fiction," with Andrea Bobotis
Wed, Nov 5, 6:30 PM
Pearl Street Mall · Boulder Bookstore
R. L. Maizes -- "A Complete Fiction," with Andrea Bobotis
Wed, Nov 5, 6:30 PM
Pearl Street Mall · Boulder Bookstore
Selling quickly
Halloween HYROX Sim F45 North Thornton
Saturday at 8:00 AM
The Orchard at Westminster · 14340 Lincoln St
Selling quickly
Halloween HYROX Sim F45 North Thornton
Saturday at 8:00 AM
The Orchard at Westminster · 14340 Lincoln St
Selling quickly
Grass Workshop
Thursday at 3:00 PM
Saint Vrain Meadows · 9595 Nelson Rd
Selling quickly
Grass Workshop
Thursday at 3:00 PM
Saint Vrain Meadows · 9595 Nelson Rd
Jackson Crawford -- "The Poetic Edda"
Tue, Oct 28, 6:30 PM
Pearl Street Mall · Boulder Book Store
Jackson Crawford -- "The Poetic Edda"
Tue, Oct 28, 6:30 PM
Pearl Street Mall · Boulder Book Store
Nearly full
Foods of Greece
Friday at 4:45 PM
Majestic Heights · Auguste Escoffier School of Culinary Arts
Nearly full
Foods of Greece
Friday at 4:45 PM
Majestic Heights · Auguste Escoffier School of Culinary Arts
PAIZLEY PARK: A Tribute to Prince
Saturday at 8:00 PM
Grace Mar · The Louisville Underground
PAIZLEY PARK: A Tribute to Prince
Saturday at 8:00 PM
Grace Mar · The Louisville Underground
Crafting and Coffee with Haven
Saturday at 10:00 AM
Arvada · 8820 Ellis St
Crafting and Coffee with Haven
Saturday at 10:00 AM
Arvada · 8820 Ellis St
Sales end soon
Teague Bohlen -- "Escaping Denver"
Tuesday at 6:30 PM
Pearl Street Mall · Boulder Book Store
Sales end soon
Teague Bohlen -- "Escaping Denver"
Tuesday at 6:30 PM
Pearl Street Mall · Boulder Book Store
Ugly Sweater 5k @ Left Hand Brewing Co. | 2025 CO Brewery Running Series
Sat, Dec 6, 10:00 AM
Saint Vrain Meadows · Left Hand Brewing Company
Ugly Sweater 5k @ Left Hand Brewing Co. | 2025 CO Brewery Running Series
Sat, Dec 6, 10:00 AM
Saint Vrain Meadows · Left Hand Brewing Company
Sales end soon
Blackbelly Farm Dinner
Wednesday at 5:30 PM
White Hawk Ranch · The Old Elm
Sales end soon
Blackbelly Farm Dinner
Wednesday at 5:30 PM
White Hawk Ranch · The Old Elm

Trends in Boulder

Explore more trends

Explore more trends

Frequently asked questions about Boulder

What are the best events to attend?

According to Eventbrite, the best events are:

Whaaat!? Festival 2025

Joanne Lee Molinaro -- "The Korean Vegan: Homemade," with Scott Jurek

Songwriting Workshop: Writing Hooks and Expanding Harmony (4 Week Program)

Which events are currently trending in Boulder?

The trending searches this month in Boulder are:

stand up comedy

speed dating events

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

Peach Street Whiskey Class

Teague Bohlen -- "Escaping Denver"

Blackbelly Farm Dinner