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Free Events and Things to do in Boulder, CO

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

Marconics 'STATE OF THE UNIVERSE' Free Lecture - Longmont, CO
Wed, Jun 24, 6:30 PM
Longmont · Anahata
Marconics 'STATE OF THE UNIVERSE' Free Lecture - Longmont, CO
Wed, Jun 24, 6:30 PM
Longmont · Anahata
Swoon Society Starfall ACOTAR Release Party
Wed, Oct 28, 6:00 PM
Erie · Briggs Street Books and Music
Swoon Society Starfall ACOTAR Release Party
Wed, Oct 28, 6:00 PM
Erie · Briggs Street Books and Music
Mother - Boulder Movie Club
Fri, Jul 24, 6:00 PM
Boulder · Canyon Theater - Boulder Public Library
Mother - Boulder Movie Club
Fri, Jul 24, 6:00 PM
Boulder · Canyon Theater - Boulder Public Library
Longmont All Star Jazz Band Free Performance!
Today at 5:00 PM
Longmont · The Passenger
Longmont All Star Jazz Band Free Performance!
Today at 5:00 PM
Longmont · The Passenger
Sales end soon
Week NIght Self-Reliance Emotional Resilience Class
Tuesday at 6:30 PM + 7 more
Longmont · The Church of Jesus Christ of Latter-day Saints
Sales end soon
Week NIght Self-Reliance Emotional Resilience Class
Tuesday at 6:30 PM + 7 more
Longmont · The Church of Jesus Christ of Latter-day Saints
Denver Metro CO TBRI® Empowering Principles (2026 Saturday Series)
Sat, May 30, 9:30 AM
Thornton · Anythink Wright Farms
Denver Metro CO TBRI® Empowering Principles (2026 Saturday Series)
Sat, May 30, 9:30 AM
Thornton · Anythink Wright Farms
TopGolf Tee Up Tuesday
Tue, Jun 9, 11:00 AM + 6 more
Thornton · Topgolf
TopGolf Tee Up Tuesday
Tue, Jun 9, 11:00 AM + 6 more
Thornton · Topgolf
Sales end soon
Wednesday Night Networking at Frolic
Wednesday at 5:30 PM
Westminster · Frolic Brewing Company
Sales end soon
Wednesday Night Networking at Frolic
Wednesday at 5:30 PM
Westminster · Frolic Brewing Company
Flood & Peterson August Tengo Lunch-N-Learn
Thu, Aug 20, 11:30 AM
Thornton · Staybridge Suites Denver North - Thornton by IHG
Flood & Peterson August Tengo Lunch-N-Learn
Thu, Aug 20, 11:30 AM
Thornton · Staybridge Suites Denver North - Thornton by IHG
Sales end soon
ExoMind® Open House — Experience the Future of Brain Health — FREE May 20
Wednesday at 9:00 AM
Arvada · Health Restoration Inc.
Sales end soon
ExoMind® Open House — Experience the Future of Brain Health — FREE May 20
Wednesday at 9:00 AM
Arvada · Health Restoration Inc.
Monthly Trivia
Thu, May 28, 7:00 PM + 3 more
Longmont · Axe Me Out
Monthly Trivia
Thu, May 28, 7:00 PM + 3 more
Longmont · Axe Me Out
Shrine of St. Anne Car Show
Sat, Jun 27, 10:00 AM
Arvada · 7555 Grant Pl
Shrine of St. Anne Car Show
Sat, Jun 27, 10:00 AM
Arvada · 7555 Grant Pl
Rotating Tap Comedy @ SomePlace Else Brewery (Arvada)
Today at 7:00 PM
Arvada · SomePlace Else Brewery
Rotating Tap Comedy @ SomePlace Else Brewery (Arvada)
Today at 7:00 PM
Arvada · SomePlace Else Brewery
Pickleball - Mixed
Thu, Aug 6, 6:30 PM
Broomfield · The Church of Jesus Christ of Latter-day Saints
Pickleball - Mixed
Thu, Aug 6, 6:30 PM
Broomfield · The Church of Jesus Christ of Latter-day Saints
Good Grief: Pain, Pleasure, and Possibilities
Thu, Aug 20, 6:30 PM
Boulder · Canyon Theater - Boulder Public Library
Good Grief: Pain, Pleasure, and Possibilities
Thu, Aug 20, 6:30 PM
Boulder · Canyon Theater - Boulder Public Library
Mission Preparation class
Sun, Jun 14, 6:00 PM
Longmont · The Church of Jesus Christ of Latter-day Saints
Mission Preparation class
Sun, Jun 14, 6:00 PM
Longmont · The Church of Jesus Christ of Latter-day Saints
Knight of Cups - Boulder Movie Club
Thu, Aug 27, 6:00 PM
Boulder · Canyon Theater - Boulder Public Library
Knight of Cups - Boulder Movie Club
Thu, Aug 27, 6:00 PM
Boulder · Canyon Theater - Boulder Public Library
Sales end soon
Money Education & Craft Chocolate Tasting!
Tuesday at 6:30 PM
Golden · Golden Welcome Center
Sales end soon
Money Education & Craft Chocolate Tasting!
Tuesday at 6:30 PM
Golden · Golden Welcome Center
Voices of Care 2026
Sat, Sep 26, 10:00 AM
Boulder · Main Library - Boulder Public Library District
Voices of Care 2026
Sat, Sep 26, 10:00 AM
Boulder · Main Library - Boulder Public Library District
Sales end soon
The Werks Happy Hour with Goats!
Wednesday at 5:00 PM
Wheat Ridge · The Werks
Sales end soon
The Werks Happy Hour with Goats!
Wednesday at 5:00 PM
Wheat Ridge · The Werks

Trends in Boulder

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Frequently asked questions about Boulder

What are the best free events to attend?

According to Eventbrite, the best free events are:

Marconics 'STATE OF THE UNIVERSE' Free Lecture - Longmont, CO

Swoon Society Starfall ACOTAR Release Party

Mother - Boulder Movie Club

Denver Metro CO TBRI® Empowering Principles (2026 Saturday Series)

Which events are currently trending in Boulder?

The trending searches this month in Boulder are:

stand up comedy

electronic music

Which free events are coming up?

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

Longmont All Star Jazz Band Free Performance!

Rotating Tap Comedy @ SomePlace Else Brewery (Arvada)

Week NIght Self-Reliance Emotional Resilience Class

Money Education & Craft Chocolate Tasting!