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
Almost full
Friday Afternoon Club: Practice is Perfect — An Introduction to Mindfulness
Friday at 1:00 PM
Louisville · Louisville Public Library
Almost full
Friday Afternoon Club: Practice is Perfect — An Introduction to Mindfulness
Friday at 1:00 PM
Louisville · Louisville Public Library
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
Almost full
Queer Romance Book Club
Wednesday at 6:00 PM
Boulder · 1909 9th St
Almost full
Queer Romance Book Club
Wednesday at 6:00 PM
Boulder · 1909 9th St
Ancestry Pt. 1 – Census
Saturday at 2:00 PM
Louisville · Louisville Public Library
Ancestry Pt. 1 – Census
Saturday at 2:00 PM
Louisville · Louisville Public Library
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
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
Sales end soon
Birth Workers of Boulder Coffee Meet-Up: June!
Tomorrow at 11:00 AM
Louisville · Relish Food Hall // Pickleball
Sales end soon
Birth Workers of Boulder Coffee Meet-Up: June!
Tomorrow at 11:00 AM
Louisville · Relish Food Hall // Pickleball
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
Almost full
Renegade Motherhood Mixer for Moms in Business - Lafayette
Tuesday at 9:00 AM
Lafayette · Confluence Small Business Collective
Almost full
Renegade Motherhood Mixer for Moms in Business - Lafayette
Tuesday at 9:00 AM
Lafayette · Confluence Small Business Collective
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
Sales end soon
13 Fires:Displacement By Design
Tomorrow at 6:00 PM
Boulder · Second Baptist Church
Sales end soon
13 Fires:Displacement By Design
Tomorrow at 6:00 PM
Boulder · Second Baptist Church

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

Friday Afternoon Club: Practice is Perfect — An Introduction to Mindfulness

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

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:

Birth Workers of Boulder Coffee Meet-Up: June!

13 Fires:Displacement By Design

Renegade Motherhood Mixer for Moms in Business - Lafayette

June 10th Broomfield Bonfire

Denver RUG - June 17th, 2026

Denver RUG - June 17th, 2026

Trek 50th anniversary celebration | Boulder

Trek 50th anniversary celebration | Boulder

Friday Afternoon Club: Practice is Perfect — An Introduction to Mindfulness

Friday Afternoon Club: Practice is Perfect — An Introduction to Mindfulness

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

Queer Romance Book Club

Queer Romance Book Club

Ancestry Pt. 1 – Census

Ancestry Pt. 1 – Census

Potter the Otter: A Tale About Water

Potter the Otter: A Tale About Water

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

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

Birth Workers of Boulder Coffee Meet-Up: June!

Birth Workers of Boulder Coffee Meet-Up: June!

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

Renegade Motherhood Mixer for Moms in Business - Lafayette

Renegade Motherhood Mixer for Moms in Business - Lafayette

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

13 Fires:Displacement By Design

13 Fires:Displacement By Design

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?