find Halloween events for every vibe.

Pop up events in Boulder, CO

Maroon Bells – 2 Day Watercolor Lesson (Ages 10+)
Wed, Dec 10, 5:30 PM
Erie · 348 Highlands Cir
Maroon Bells – 2 Day Watercolor Lesson (Ages 10+)
Wed, Dec 10, 5:30 PM
Erie · 348 Highlands Cir
Science Riot at The Bug Theater
Fri, Nov 21, 7:30 PM
Denver · The Bug Theatre
Science Riot at The Bug Theater
Fri, Nov 21, 7:30 PM
Denver · The Bug Theatre
Reef Royale - GAME ON for Coral Reefs
Sat, Nov 8, 6:00 PM
Denver · Elks Lodge 17
Reef Royale - GAME ON for Coral Reefs
Sat, Nov 8, 6:00 PM
Denver · Elks Lodge 17
Monster Moves & Yoga Grooves
Sunday at 1:00 PM
Longmont · Full Circle Yoga
Monster Moves & Yoga Grooves
Sunday at 1:00 PM
Longmont · Full Circle Yoga
Selling quickly
Ugly Sweater 5k @ Left Hand Brewing Co. | 2025 CO Brewery Running Series
Sat, Dec 6, 10:00 AM
Longmont · Left Hand Brewing Company
Selling quickly
Ugly Sweater 5k @ Left Hand Brewing Co. | 2025 CO Brewery Running Series
Sat, Dec 6, 10:00 AM
Longmont · Left Hand Brewing Company
Gay Men Speed Dating Denver at Hamburger Mary's Denver
Wed, Nov 5, 6:00 PM
Denver · Hamburger Mary's Denver
Gay Men Speed Dating Denver at Hamburger Mary's Denver
Wed, Nov 5, 6:00 PM
Denver · Hamburger Mary's Denver
Sales end soon
Strategic Team Leadership for Success Workshop in Westminster, CO
Tue, Oct 28, 9:00 AM + 2 more
Broomfield · Regus - Broomfield - Interlocken
Sales end soon
Strategic Team Leadership for Success Workshop in Westminster, CO
Tue, Oct 28, 9:00 AM + 2 more
Broomfield · Regus - Broomfield - Interlocken
Five Alarm 5k & Chili Cook-Off @ Bierstadt Lagerhaus
Sun, Nov 2, 10:00 AM
Denver · Bierstadt Lagerhaus
Five Alarm 5k & Chili Cook-Off @ Bierstadt Lagerhaus
Sun, Nov 2, 10:00 AM
Denver · Bierstadt Lagerhaus
Essential Management Skills 1-Day Workshop | Boulder, CO
Fri, Nov 14, 9:00 AM + 5 more
Boulder · For venue details reach us at info@learnerring.com
Essential Management Skills 1-Day Workshop | Boulder, CO
Fri, Nov 14, 9:00 AM + 5 more
Boulder · For venue details reach us at info@learnerring.com
Sales end soon
Copy of Splatter Paint Tent at Pikes Peak Brewing Co.
Friday at 5:00 PM + 3 more
Golden · Mad Macks Brewing
Sales end soon
Copy of Splatter Paint Tent at Pikes Peak Brewing Co.
Friday at 5:00 PM + 3 more
Golden · Mad Macks Brewing
Harvesting Resilience: Regenerative Catalyst Fundraiser
Sun, Nov 9, 6:30 PM
Boulder · Patagonia
Harvesting Resilience: Regenerative Catalyst Fundraiser
Sun, Nov 9, 6:30 PM
Boulder · Patagonia
Downtown Aquarium - Spirits Under the Sea Cocktail Event
Wed, Oct 29, 7:00 PM
Denver · Downtown Aquarium
Downtown Aquarium - Spirits Under the Sea Cocktail Event
Wed, Oct 29, 7:00 PM
Denver · Downtown Aquarium
Sales end soon
Equipping Principles For Cultivating A Healthy/Thriving Ch. in Thornton, CO
Tomorrow at 9:00 AM
Thornton · Legacy Christian Fellowship
Sales end soon
Equipping Principles For Cultivating A Healthy/Thriving Ch. in Thornton, CO
Tomorrow at 9:00 AM
Thornton · Legacy Christian Fellowship
Backdoor Sessions: Halloween Party at Mockingbird
Sat, Nov 1, 5:00 PM
Denver · Mockingbird
Backdoor Sessions: Halloween Party at Mockingbird
Sat, Nov 1, 5:00 PM
Denver · Mockingbird
LAURIE’S ABSTRACT WATERCOLORS,Wednesday, 3pm–5:30 pm, December 17th
Wed, Dec 17, 3:00 PM
Lafayette · pARTiculars Art Gallery and Teaching Studio
LAURIE’S ABSTRACT WATERCOLORS,Wednesday, 3pm–5:30 pm, December 17th
Wed, Dec 17, 3:00 PM
Lafayette · pARTiculars Art Gallery and Teaching Studio
First Fridays Makers Market
Fri, Nov 7, 4:00 PM
Longmont · 110 Emery St
First Fridays Makers Market
Fri, Nov 7, 4:00 PM
Longmont · 110 Emery St
Sales end soon
**MEN SOLD OUT** (Ages 25-39) | Speed Dating | Denver |SpeedDenver
Saturday at 7:00 PM
Lakewood · The Night Owls Bar
Sales end soon
**MEN SOLD OUT** (Ages 25-39) | Speed Dating | Denver |SpeedDenver
Saturday at 7:00 PM
Lakewood · The Night Owls Bar
Speed Dating Denver Singles 24-39
Sat, Nov 8, 2:00 PM
Denver · The Passport Denver
Speed Dating Denver Singles 24-39
Sat, Nov 8, 2:00 PM
Denver · The Passport Denver
FUSED GLASS–at Molly’s Lafayette Home Studio:SAT.9:00-11:00AM, December 6th
Sat, Dec 6, 9:00 AM
Lafayette · Molly's home studio
FUSED GLASS–at Molly’s Lafayette Home Studio:SAT.9:00-11:00AM, December 6th
Sat, Dec 6, 9:00 AM
Lafayette · Molly's home studio

Trends in Boulder

Explore more trends

Maroon Bells – 2 Day Watercolor Lesson (Ages 10+)

Maroon Bells – 2 Day Watercolor Lesson (Ages 10+)

Science Riot at The Bug Theater

Science Riot at The Bug Theater

Reef Royale - GAME ON for Coral Reefs

Reef Royale - GAME ON for Coral Reefs

Monster Moves & Yoga Grooves

Monster Moves & Yoga Grooves

Ugly Sweater 5k @ Left Hand Brewing Co. | 2025 CO Brewery Running Series

Ugly Sweater 5k @ Left Hand Brewing Co. | 2025 CO Brewery Running Series

Gay Men Speed Dating Denver at Hamburger Mary's Denver

Gay Men Speed Dating Denver at Hamburger Mary's Denver

Strategic Team Leadership for Success Workshop in Westminster, CO

Strategic Team Leadership for Success Workshop in Westminster, CO

Five Alarm 5k & Chili Cook-Off @ Bierstadt Lagerhaus

Five Alarm 5k & Chili Cook-Off @ Bierstadt Lagerhaus

Essential Management Skills 1-Day Workshop | Boulder, CO

Essential Management Skills 1-Day Workshop | Boulder, CO

Copy of Splatter Paint Tent at Pikes Peak Brewing Co.

Copy of Splatter Paint Tent at Pikes Peak Brewing Co.

Harvesting Resilience: Regenerative Catalyst Fundraiser

Harvesting Resilience: Regenerative Catalyst Fundraiser

Downtown Aquarium - Spirits Under the Sea Cocktail Event

Downtown Aquarium - Spirits Under the Sea Cocktail Event

Equipping Principles For Cultivating A Healthy/Thriving Ch. in Thornton, CO

Equipping Principles For Cultivating A Healthy/Thriving Ch. in Thornton, CO

Backdoor Sessions: Halloween Party at Mockingbird

Backdoor Sessions: Halloween Party at Mockingbird

LAURIE’S ABSTRACT WATERCOLORS,Wednesday, 3pm–5:30 pm, December 17th

LAURIE’S ABSTRACT WATERCOLORS,Wednesday, 3pm–5:30 pm, December 17th

First Fridays Makers Market

First Fridays Makers Market

**MEN SOLD OUT** (Ages 25-39) | Speed Dating | Denver |SpeedDenver

**MEN SOLD OUT** (Ages 25-39) | Speed Dating | Denver |SpeedDenver

Speed Dating Denver Singles 24-39

Speed Dating Denver Singles 24-39

FUSED GLASS–at Molly’s Lafayette Home Studio:SAT.9:00-11:00AM, December 6th

FUSED GLASS–at Molly’s Lafayette Home Studio:SAT.9:00-11:00AM, December 6th

Things to do around Boulder

Trends in Boulder

1. Halloween event

2. Kids events today

3. Halloween parties

4. Electronic music

5. Drag

6. Speed dating events

7. Sound bath

8. Volunteer thanksgiving

9. Stand up comedy

10. Politics

11. Louisville co

12. Cycling

MEN SOLD OUT (Ages 25-39) | Speed Dating | Denver |SpeedDenver

MEN SOLD OUT (Ages 25-39) | Speed Dating | Denver |SpeedDenver