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Free Events and Things to do in Boulder, CO

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Going fast
Boulder County Private Well Owner Workshop- Nederland 2026
Wed, Jun 17, 6:00 PM
Nederland · Nederland Community Center
Going fast
Boulder County Private Well Owner Workshop- Nederland 2026
Wed, Jun 17, 6:00 PM
Nederland · Nederland Community Center
Going fast
The Wellness Home Experience-Clean Choices for healthier Living
Thu, Jun 11, 12:00 PM
Boulder · Confluence Kitchen & Bath
Going fast
The Wellness Home Experience-Clean Choices for healthier Living
Thu, Jun 11, 12:00 PM
Boulder · Confluence Kitchen & Bath
Almost full
Pulling for Louisville-Aquarius
Thu, Jun 18, 5:00 PM
Louisville · Aquarius Trailhead, Louisville
Almost full
Pulling for Louisville-Aquarius
Thu, Jun 18, 5:00 PM
Louisville · Aquarius Trailhead, Louisville
Sales end soon
Junior Rangers: Sun Gazing
Saturday at 12:00 PM
Eldorado Springs · Eldorado Canyon State Park Visitor Center
Sales end soon
Junior Rangers: Sun Gazing
Saturday at 12:00 PM
Eldorado Springs · Eldorado Canyon State Park Visitor Center
Wine, Women & Wealth - Louisville
Tue, Jun 9, 6:30 PM
Louisville · West + Main Homes
Wine, Women & Wealth - Louisville
Tue, Jun 9, 6:30 PM
Louisville · West + Main Homes
Wildflower Hike
Thu, Jun 25, 7:00 PM
Louisville · Davidson Mesa Trailhead
Wildflower Hike
Thu, Jun 25, 7:00 PM
Louisville · Davidson Mesa Trailhead
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
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
Sales end soon
B360: Circle Boulder by Bike
Sunday at 9:00 AM
Boulder · Valmont Bike Park
Sales end soon
B360: Circle Boulder by Bike
Sunday at 9:00 AM
Boulder · Valmont Bike Park
Going fast
Let's Say Aloha! Summer Ukulele Classes (Family Class)
Wed, Jun 17, 6:00 PM
Broomfield · Making Musicians in Boulder Valley
Going fast
Let's Say Aloha! Summer Ukulele Classes (Family Class)
Wed, Jun 17, 6:00 PM
Broomfield · Making Musicians in Boulder Valley
Vision Zero Task Force - June Meeting| Reunión de Visión Cero - Junio
Thu, Jun 11, 6:00 PM
Longmont · City of Longmont Senior Services
Vision Zero Task Force - June Meeting| Reunión de Visión Cero - Junio
Thu, Jun 11, 6:00 PM
Longmont · City of Longmont Senior Services
Coyote Run on Canvas (Open Space Plein Air Series)
Sun, Jun 28, 7:30 AM
Louisville · Coyote Run Open Space
Coyote Run on Canvas (Open Space Plein Air Series)
Sun, Jun 28, 7:30 AM
Louisville · Coyote Run Open Space
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
Sales end soon
YogaSix X Lash + Company Erie
Saturday at 11:30 AM
Lafayette · YogaSix Nine Mile
Sales end soon
YogaSix X Lash + Company Erie
Saturday at 11:30 AM
Lafayette · YogaSix Nine Mile
Broken Bone Bathtub: The Documentary | Boulder
Thu, Jul 16, 6:00 PM
Boulder · Canyon Theater - Boulder Public Library
Broken Bone Bathtub: The Documentary | Boulder
Thu, Jul 16, 6:00 PM
Boulder · Canyon Theater - Boulder Public Library
WWE Denver Women Climb Night @Movement Boulder
Thu, Jun 11, 6:00 PM
Boulder · Movement Boulder
WWE Denver Women Climb Night @Movement Boulder
Thu, Jun 11, 6:00 PM
Boulder · Movement Boulder
La Sportiva Green Mountain Challenge: Prize Giving Party
Boulder · La Sportiva Retail Store
La Sportiva Green Mountain Challenge: Prize Giving Party
Boulder · La Sportiva Retail Store
Sales end soon
Louisville Girl Scouts and Gabby's Dollhouse: The Movie
Tomorrow at 5:00 PM
Louisville · Louisville Public Library
Sales end soon
Louisville Girl Scouts and Gabby's Dollhouse: The Movie
Tomorrow at 5:00 PM
Louisville · Louisville Public Library
Sales end soon
Gold Hill Group Ride with Ned Gravel & TrainingPeaks!
Sunday at 9:00 AM
Boulder · Skratch Labs Table and Flagship Store
Sales end soon
Gold Hill Group Ride with Ned Gravel & TrainingPeaks!
Sunday at 9:00 AM
Boulder · Skratch Labs Table and Flagship Store
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

Trends in Boulder

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Explore more trends

Frequently asked questions about Boulder

What are the best free events to attend?

According to Eventbrite, the best free events are:

Boulder County Private Well Owner Workshop- Nederland 2026

The Wellness Home Experience-Clean Choices for healthier Living

Pulling for Louisville-Aquarius

Wine, Women & Wealth - Louisville

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:

Louisville Girl Scouts and Gabby's Dollhouse: The Movie

YogaSix X Lash + Company Erie

Junior Rangers: Sun Gazing

B360: Circle Boulder by Bike