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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.

Align Chiropractic 10 Year Anniversary Community Event
Sat, Aug 8, 10:00 AM
Broomfield · 3800 W 144th Ave
Align Chiropractic 10 Year Anniversary Community Event
Sat, Aug 8, 10:00 AM
Broomfield · 3800 W 144th Ave
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
Selling fast
Pilots & Pizza Night | Broomfield Campus
Thu, Jul 30, 5:00 PM
Broomfield · McAir Aviation
Selling fast
Pilots & Pizza Night | Broomfield Campus
Thu, Jul 30, 5:00 PM
Broomfield · McAir Aviation
Sales end soon
Meet the Mountain Guides Happy Hour
Thursday at 6:15 PM
Boulder · 1427 Pearl St
Sales end soon
Meet the Mountain Guides Happy Hour
Thursday at 6:15 PM
Boulder · 1427 Pearl St
Almost full
Denver Zoo Animal Demonstration
Tue, Jul 28, 10:15 AM
Louisville · Louisville Public Library
Almost full
Denver Zoo Animal Demonstration
Tue, Jul 28, 10:15 AM
Louisville · Louisville Public Library
Lunges & Lattes: Outdoor Pilates at East & Co.
Sat, Aug 1, 9:00 AM
Boulder · East & Co.
Lunges & Lattes: Outdoor Pilates at East & Co.
Sat, Aug 1, 9:00 AM
Boulder · East & Co.
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
Selling fast
Where Quantum Innovators Come to Break Through
Thursday at 2:00 PM
Boulder · Duane Physics and Astrophysics
Selling fast
Where Quantum Innovators Come to Break Through
Thursday at 2:00 PM
Boulder · Duane Physics and Astrophysics
Sales end soon
lululemon + Life Time Flatirons sweat and shop
Sunday at 9:30 AM
Broomfield · lululemon, West Flatiron Circle, Broomfield, CO, USA
Sales end soon
lululemon + Life Time Flatirons sweat and shop
Sunday at 9:30 AM
Broomfield · lululemon, West Flatiron Circle, Broomfield, CO, USA
Selling fast
Beer & Gear
Thursday at 5:30 PM
Boulder · Neptune Mountaineering
Selling fast
Beer & Gear
Thursday at 5:30 PM
Boulder · Neptune Mountaineering
Sales end soon
Turn it Up with Brooks Ghost 18 at Westminster Road Runner Sports
Saturday at 8:00 AM
Westminster · 10442 Town Center Dr
Sales end soon
Turn it Up with Brooks Ghost 18 at Westminster Road Runner Sports
Saturday at 8:00 AM
Westminster · 10442 Town Center Dr
Almost full
WRISE CO Boulder Volunteer Event!
Thursday at 8:45 AM
Boulder · Growing Gardens
Almost full
WRISE CO Boulder Volunteer Event!
Thursday at 8:45 AM
Boulder · Growing Gardens
Selling fast
Stories in the Park: Superior Wildflower Park
Fri, Jul 31, 10:15 AM
Superior · Wildflower Park
Selling fast
Stories in the Park: Superior Wildflower Park
Fri, Jul 31, 10:15 AM
Superior · Wildflower Park
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
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
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
Almost full
The Swoon Society Book Club: July 2026
Wed, Jul 29, 6:00 PM
Erie · Briggs Street Books and Music
Almost full
The Swoon Society Book Club: July 2026
Wed, Jul 29, 6:00 PM
Erie · Briggs Street Books and Music
Almost full
FCC Flatirons Volunteer Trail Day - July 25
Saturday at 8:30 AM
Boulder · Cragmoor Connector
Almost full
FCC Flatirons Volunteer Trail Day - July 25
Saturday at 8:30 AM
Boulder · Cragmoor Connector
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
Selling fast
Coffee & Convo
Sat, Aug 8, 10:00 AM
Lafayette · East Simpson Coffee Company
Selling fast
Coffee & Convo
Sat, Aug 8, 10:00 AM
Lafayette · East Simpson Coffee Company
Almost full
DIY Irrigation for Xeric Landscapes Demo
Saturday at 9:00 AM
Longmont · Natural Resources Building, Boulder County Fairgrounds
Almost full
DIY Irrigation for Xeric Landscapes Demo
Saturday at 9:00 AM
Longmont · Natural Resources Building, Boulder County Fairgrounds

Trends in Boulder

Explore more trends

Explore more trends

Frequently asked questions about Boulder

What are the best free events to attend?

According to Eventbrite, the best free events are:

Align Chiropractic 10 Year Anniversary Community Event

Boulder Career Fair

Pilots & Pizza Night | Broomfield Campus

Denver Zoo Animal Demonstration

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:

WRISE CO Boulder Volunteer Event!

Where Quantum Innovators Come to Break Through

Meet the Mountain Guides Happy Hour