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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.

Almost full
Boulder Career Fair
Wed, Aug 26, 9:30 AM
Boulder · Hilton
Almost full
Boulder Career Fair
Wed, Aug 26, 9:30 AM
Boulder · Hilton
Almost full
Align Chiropractic 10 Year Anniversary Community Event
Sat, Aug 8, 10:00 AM
Broomfield · 3800 W 144th Ave
Almost full
Align Chiropractic 10 Year Anniversary Community Event
Sat, Aug 8, 10:00 AM
Broomfield · 3800 W 144th Ave
Sales end soon
Lunges & Lattes: Outdoor Pilates at East & Co.
Saturday at 9:00 AM
Boulder · East & Co.
Sales end soon
Lunges & Lattes: Outdoor Pilates at East & Co.
Saturday at 9:00 AM
Boulder · East & Co.
Almost full
Tie-dye Popsicle Palooza
Tomorrow at 11:00 AM
Louisville · Steinbaugh Pavilion
Almost full
Tie-dye Popsicle Palooza
Tomorrow at 11:00 AM
Louisville · Steinbaugh Pavilion
THE KIRTAN EXPERIENCE: BOULDER
Fri, Aug 7, 6:30 PM
Boulder · Embassy Suites by Hilton Boulder
THE KIRTAN EXPERIENCE: BOULDER
Fri, Aug 7, 6:30 PM
Boulder · Embassy Suites by Hilton Boulder
Almost full
Pilots & Pizza Night | Broomfield Campus
Thursday at 5:00 PM
Broomfield · McAir Aviation
Almost full
Pilots & Pizza Night | Broomfield Campus
Thursday at 5:00 PM
Broomfield · McAir Aviation
The Colorado River's Uncertain Water Future Explained
Fri, Aug 21, 6:00 PM
Boulder · Wolf Law Building
The Colorado River's Uncertain Water Future Explained
Fri, Aug 21, 6:00 PM
Boulder · Wolf Law Building
Almost full
Stargazing at Eldorado Canyon State Park
Friday at 7:30 PM
Eldorado Springs · Eldorado Canyon State Park Visitor Center
Almost full
Stargazing at Eldorado Canyon State Park
Friday at 7:30 PM
Eldorado Springs · Eldorado Canyon State Park Visitor Center
Bikepacking 101 at Boulder Bicycle Works
Sun, Aug 16, 5:00 PM
Boulder · Boulder Bicycle Works
Bikepacking 101 at Boulder Bicycle Works
Sun, Aug 16, 5:00 PM
Boulder · Boulder Bicycle Works
Going fast
History Happy Hour: The Corrupt State Election of 1904 with David Hosansky
Tue, Aug 11, 5:30 PM
Louisville · The Simon Weddings and Private Events
Going fast
History Happy Hour: The Corrupt State Election of 1904 with David Hosansky
Tue, Aug 11, 5:30 PM
Louisville · The Simon Weddings and Private Events
Going fast
Quantum After Hours
Today at 4:30 PM
Boulder · 5555 Central Ave
Going fast
Quantum After Hours
Today at 4:30 PM
Boulder · 5555 Central Ave
Almost full
Stories in the Park: Superior Wildflower Park
Friday at 10:15 AM
Superior · Wildflower Park
Almost full
Stories in the Park: Superior Wildflower Park
Friday at 10:15 AM
Superior · Wildflower Park
Lily Williams -- "Exposures," with Holly Grant
Thu, Aug 20, 6:30 PM
Boulder · Boulder Bookstore
Lily Williams -- "Exposures," with Holly Grant
Thu, Aug 20, 6:30 PM
Boulder · Boulder Bookstore
Breaking Bread at the Bindweed School
Fri, Aug 14, 5:00 PM
Longmont · 8137 Oxford Rd
Breaking Bread at the Bindweed School
Fri, Aug 14, 5:00 PM
Longmont · 8137 Oxford Rd
Almost full
Coffee & Convo
Sat, Aug 8, 10:00 AM
Lafayette · East Simpson Coffee Company
Almost full
Coffee & Convo
Sat, Aug 8, 10:00 AM
Lafayette · East Simpson Coffee Company
Boulder Career Fair
Wed, Aug 26, 9:30 AM
Boulder · Hilton
Boulder Career Fair
Wed, Aug 26, 9:30 AM
Boulder · Hilton
Boulder County Fair
Wed, Aug 5, 5:00 PM
Longmont · 9595 Nelson Rd
Boulder County Fair
Wed, Aug 5, 5:00 PM
Longmont · 9595 Nelson Rd
Almost full
The Swoon Society Book Club: July 2026
Tomorrow at 6:00 PM
Erie · Briggs Street Books and Music
Almost full
The Swoon Society Book Club: July 2026
Tomorrow at 6:00 PM
Erie · Briggs Street Books and Music
August Building Connections Networking Event (N. Suburbs & Boulder Co.)
Thu, Aug 6, 4:30 PM
Louisville · John's Table
August Building Connections Networking Event (N. Suburbs & Boulder Co.)
Thu, Aug 6, 4:30 PM
Louisville · John's Table
2nd Annual Cabinets & Cocktails – A Summer Open House at Concept 32
Thu, Aug 6, 2:00 PM
Longmont · Concept 32
2nd Annual Cabinets & Cocktails – A Summer Open House at Concept 32
Thu, Aug 6, 2:00 PM
Longmont · Concept 32

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:

Boulder Career Fair

Align Chiropractic 10 Year Anniversary Community Event

Lunges & Lattes: Outdoor Pilates at East & Co.

THE KIRTAN EXPERIENCE: BOULDER

Which events are currently trending in Boulder?

The trending searches this month in Boulder are:

memorial day weekend events

stand up comedy

Which free events are coming up?

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

Quantum After Hours

Tie-dye Popsicle Palooza

The Swoon Society Book Club: July 2026

Pilots & Pizza Night | Broomfield Campus