Free Events and Things to do in Boulder, CO

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

Denver RUG - June 17th, 2026
Wed, Jun 17, 4:00 PM
Broomfield · 390 Interlocken Crescent #100
Denver RUG - June 17th, 2026
Wed, Jun 17, 4:00 PM
Broomfield · 390 Interlocken Crescent #100
Trek 50th anniversary celebration | Boulder
Sat, Jun 20, 9:00 AM
Boulder · Trek Bicycle Boulder
Trek 50th anniversary celebration | Boulder
Sat, Jun 20, 9:00 AM
Boulder · Trek Bicycle Boulder
Sales end soon
Cleaning Up Mt. Everest: A Reflection on High-Altitude Stewardship
Friday at 7:00 PM
Boulder · Neptune Mountaineering
Sales end soon
Cleaning Up Mt. Everest: A Reflection on High-Altitude Stewardship
Friday at 7:00 PM
Boulder · Neptune Mountaineering
Going fast
Coffee & Convo
Sat, Jun 20, 10:00 AM
Lafayette · East Simpson Coffee Company (The Cottage next door)
Going fast
Coffee & Convo
Sat, Jun 20, 10:00 AM
Lafayette · East Simpson Coffee Company (The Cottage next door)
Sales end soon
June 10th Broomfield Bonfire
Wednesday at 6:00 PM
Broomfield · The Chateaux At Fox Meadows
Sales end soon
June 10th Broomfield Bonfire
Wednesday at 6:00 PM
Broomfield · The Chateaux At Fox Meadows
Sales end soon
Ancestry Pt. 1 – Census
Saturday at 2:00 PM
Louisville · Louisville Public Library
Sales end soon
Ancestry Pt. 1 – Census
Saturday at 2:00 PM
Louisville · Louisville Public Library
Lija Fisher -- "The Extraordinary Adventures of the Ordinary Barney Flarff"
Wed, Jun 24, 6:30 PM
Boulder · Boulder Bookstore
Lija Fisher -- "The Extraordinary Adventures of the Ordinary Barney Flarff"
Wed, Jun 24, 6:30 PM
Boulder · Boulder Bookstore
Just added
Potter the Otter: A Tale About Water
Thu, Jun 18, 10:15 AM
Louisville · Louisville Public Library
Just added
Potter the Otter: A Tale About Water
Thu, Jun 18, 10:15 AM
Louisville · Louisville Public Library
Preparing our National Parks for the impacts of extreme weather events
Wed, Jun 24, 7:30 PM
Boulder · Frasier Retirement Community
Preparing our National Parks for the impacts of extreme weather events
Wed, Jun 24, 7:30 PM
Boulder · Frasier Retirement Community
Almost full
The Wellness Home Experience-Clean Choices for healthier Living
Thursday at 12:00 PM
Boulder · Confluence Kitchen & Bath
Almost full
The Wellness Home Experience-Clean Choices for healthier Living
Thursday at 12:00 PM
Boulder · Confluence Kitchen & Bath
Plant Forward Boulder Potluck: Dine with a Dietician
Sun, Jun 21, 3:00 PM
Boulder · NoBo Library - Boulder Public Library District
Plant Forward Boulder Potluck: Dine with a Dietician
Sun, Jun 21, 3:00 PM
Boulder · NoBo Library - Boulder Public Library District
Latte Art Throwdown at O.W.L Coffee Roasters
Fri, Jun 19, 6:00 PM
Boulder · 2355 30th St
Latte Art Throwdown at O.W.L Coffee Roasters
Fri, Jun 19, 6:00 PM
Boulder · 2355 30th St
Almost full
Boulder County Private Well Owner Workshop- Nederland 2026
Wed, Jun 17, 6:00 PM
Nederland · Nederland Community Center
Almost full
Boulder County Private Well Owner Workshop- Nederland 2026
Wed, Jun 17, 6:00 PM
Nederland · Nederland Community Center
Women In Business-BOULDER-Networking-June
Tue, Jun 16, 12:00 PM
Boulder · Confluence Kitchen & Bath
Women In Business-BOULDER-Networking-June
Tue, Jun 16, 12:00 PM
Boulder · Confluence Kitchen & Bath
Ancestry Pt. 2 – Vital Records
Sat, Jun 27, 2:00 PM
Louisville · Louisville Public Library
Ancestry Pt. 2 – Vital Records
Sat, Jun 27, 2:00 PM
Louisville · Louisville Public Library
Call Me By Your Name - Boulder Movie Club
Thu, Jun 25, 6:00 PM
Boulder · Canyon Theater - Boulder Public Library
Call Me By Your Name - Boulder Movie Club
Thu, Jun 25, 6:00 PM
Boulder · Canyon Theater - Boulder Public Library
Hormone Happy Hour at Halcyon Mind+Body
Thu, Jun 18, 5:30 PM
Superior · Halcyon Mind+Body
Hormone Happy Hour at Halcyon Mind+Body
Thu, Jun 18, 5:30 PM
Superior · Halcyon Mind+Body
History Happy Hour - Louisville Trivia
Tue, Jun 16, 6:00 PM
Louisville · 1071 Courtesy Rd
History Happy Hour - Louisville Trivia
Tue, Jun 16, 6:00 PM
Louisville · 1071 Courtesy Rd
Almost full
Junior Rangers: Rock Climbing
Sat, Jun 20, 10:00 AM
Eldorado Springs · Eldorado Canyon State Park Visitor Center
Almost full
Junior Rangers: Rock Climbing
Sat, Jun 20, 10:00 AM
Eldorado Springs · Eldorado Canyon State Park Visitor Center
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

Trends in Boulder

Explore more trends

Frequently asked questions about Boulder

What are the best free events to attend?

According to Eventbrite, the best free events are:

Denver RUG - June 17th, 2026

Trek 50th anniversary celebration | Boulder

Coffee & Convo

Lija Fisher -- "The Extraordinary Adventures of the Ordinary Barney Flarff"

Which events are currently trending in Boulder?

The trending searches this month in Boulder are:

memorial day weekend events

mother's day

live music

stand up comedy

Which free events are coming up?

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

June 10th Broomfield Bonfire

The Wellness Home Experience-Clean Choices for healthier Living

Cleaning Up Mt. Everest: A Reflection on High-Altitude Stewardship

Ancestry Pt. 1 – Census

Denver RUG - June 17th, 2026

Denver RUG - June 17th, 2026

Trek 50th anniversary celebration | Boulder

Trek 50th anniversary celebration | Boulder

Cleaning Up Mt. Everest: A Reflection on High-Altitude Stewardship

Cleaning Up Mt. Everest: A Reflection on High-Altitude Stewardship

Coffee & Convo

Coffee & Convo

June 10th Broomfield Bonfire

June 10th Broomfield Bonfire

Ancestry Pt. 1 – Census

Ancestry Pt. 1 – Census

Lija Fisher -- "The Extraordinary Adventures of the Ordinary Barney Flarff"

Lija Fisher -- "The Extraordinary Adventures of the Ordinary Barney Flarff"

Potter the Otter: A Tale About Water

Potter the Otter: A Tale About Water

Preparing our National Parks for the impacts of extreme weather events

Preparing our National Parks for the impacts of extreme weather events

The Wellness Home Experience-Clean Choices for healthier Living

The Wellness Home Experience-Clean Choices for healthier Living

Plant Forward Boulder Potluck: Dine with a Dietician

Plant Forward Boulder Potluck: Dine with a Dietician

Latte Art Throwdown at O.W.L Coffee Roasters

Latte Art Throwdown at O.W.L Coffee Roasters

Boulder County Private Well Owner Workshop- Nederland 2026

Boulder County Private Well Owner Workshop- Nederland 2026

Women In Business-BOULDER-Networking-June

Women In Business-BOULDER-Networking-June

Ancestry Pt. 2 – Vital Records

Ancestry Pt. 2 – Vital Records

Call Me By Your Name - Boulder Movie Club

Call Me By Your Name - Boulder Movie Club

Hormone Happy Hour at Halcyon Mind+Body

Hormone Happy Hour at Halcyon Mind+Body

History Happy Hour - Louisville Trivia

History Happy Hour - Louisville Trivia

Junior Rangers: Rock Climbing

Junior Rangers: Rock Climbing

Boulder Career Fair

Boulder Career Fair

Things to do around Boulder

Trends in Boulder

1. Memorial day weekend events

2. Mother's day

3. Live music

4. Stand up comedy

5. Speed dating events

6. Sound bath

7. Singles party

8. Free yoga

9. Drag

10. Job fairs

11. Electronic music

12. Breathwork

What are the best free events to attend?

Which events are currently trending in Boulder?

Which free events are coming up?