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Free Events and Things to do in Boulder, CO

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Grit2Greatness Endurance Training Camp 2026 - Boulder, CO
Thu, Jun 25, 8:00 AM
Boulder · Boulder Reservoir
Grit2Greatness Endurance Training Camp 2026 - Boulder, CO
Thu, Jun 25, 8:00 AM
Boulder · Boulder Reservoir
Marconics 'STATE OF THE UNIVERSE' Free Lecture - Longmont, CO
Wed, Jun 24, 6:30 PM
Longmont · Anahata
Marconics 'STATE OF THE UNIVERSE' Free Lecture - Longmont, CO
Wed, Jun 24, 6:30 PM
Longmont · Anahata
PROPERTY RETURNED TO YOU / LONGMONT POLICE
Today at 8:00 AM
Longmont · Longmont Public Safety (Police Services)
PROPERTY RETURNED TO YOU / LONGMONT POLICE
Today at 8:00 AM
Longmont · Longmont Public Safety (Police Services)
Alice Feagan -- "The Lost Board"
Sat, Jul 11, 11:00 AM
Boulder · Boulder Bookstore
Alice Feagan -- "The Lost Board"
Sat, Jul 11, 11:00 AM
Boulder · Boulder Bookstore
Almost full
Parkinson Association Young Onset + Young Professional Council Happy Hour
Sat, Jul 18, 4:00 PM
Broomfield · Wonderland Brewing Co
Almost full
Parkinson Association Young Onset + Young Professional Council Happy Hour
Sat, Jul 18, 4:00 PM
Broomfield · Wonderland Brewing Co
NOCO Networking | NIA Wolfpack Monthly Meeting
Tue, Jun 9, 4:30 PM + 6 more
Longmont · The Longmont Social
NOCO Networking | NIA Wolfpack Monthly Meeting
Tue, Jun 9, 4:30 PM + 6 more
Longmont · The Longmont Social
6th Annual Father's Day Scramble-Scramble benefiting the AFCF
Sun, Jun 21, 6:30 AM
Westminster · Hyland Hills Golf Course
6th Annual Father's Day Scramble-Scramble benefiting the AFCF
Sun, Jun 21, 6:30 AM
Westminster · Hyland Hills Golf Course
Haven Iverson -- "Into the Wilderness"
Sat, Jul 18, 11:00 AM
Boulder · Boulder Bookstore
Haven Iverson -- "Into the Wilderness"
Sat, Jul 18, 11:00 AM
Boulder · Boulder Bookstore
Sales end soon
Northglenn Artisan Market
Saturday at 10:00 AM
Northglenn · 341 W 104th Ave
Sales end soon
Northglenn Artisan Market
Saturday at 10:00 AM
Northglenn · 341 W 104th Ave
Naturalist Trivia Night At Very Nice Brewing
Thu, May 28, 6:00 PM
Black Hawk · Very Nice Brewing Company
Naturalist Trivia Night At Very Nice Brewing
Thu, May 28, 6:00 PM
Black Hawk · Very Nice Brewing Company
Gather & Glow | 5th Annual Spa Open House at BVPS
Fri, Sep 18, 3:00 PM
Boulder · Boulder Valley Plastic Surgery
Gather & Glow | 5th Annual Spa Open House at BVPS
Fri, Sep 18, 3:00 PM
Boulder · Boulder Valley Plastic Surgery
Just added
Christmas in July
Thu, Jul 16, 4:00 PM
Longmont · 2251 Ken Pratt Blvd ste a
Just added
Christmas in July
Thu, Jul 16, 4:00 PM
Longmont · 2251 Ken Pratt Blvd ste a
Virgi Dart Live at St. Julien Hotel
Fri, Aug 28, 6:00 PM
Boulder · St Julien Hotel & Spa
Virgi Dart Live at St. Julien Hotel
Fri, Aug 28, 6:00 PM
Boulder · St Julien Hotel & Spa
Sales end soon
Louisville Farmers Market 2026 Season
Saturday at 9:00 AM + 20 more
Louisville · 824 Front St
Sales end soon
Louisville Farmers Market 2026 Season
Saturday at 9:00 AM + 20 more
Louisville · 824 Front St
Monthly EXP MeetUp
Fri, Jun 5, 10:00 AM + 3 more
Boulder · 4909 Pearl E Cir
Monthly EXP MeetUp
Fri, Jun 5, 10:00 AM + 3 more
Boulder · 4909 Pearl E Cir
Art and Spirit - a lecture by Swami Chidbrahmananda
Mon, Jun 1, 7:00 PM
Lafayette · 75 Waneka Pkwy
Art and Spirit - a lecture by Swami Chidbrahmananda
Mon, Jun 1, 7:00 PM
Lafayette · 75 Waneka Pkwy
Trident Community Forum: Boulder County Clerk & Recorder Molly Fitzpatrick
Tue, May 26, 6:30 PM
Boulder · Trident Booksellers and Cafe
Trident Community Forum: Boulder County Clerk & Recorder Molly Fitzpatrick
Tue, May 26, 6:30 PM
Boulder · Trident Booksellers and Cafe
Sports Night
Wed, Jun 3, 7:00 PM
Boulder · The Church of Jesus Christ of Latter-day Saints
Sports Night
Wed, Jun 3, 7:00 PM
Boulder · The Church of Jesus Christ of Latter-day Saints
Lunch with the Line
Thu, Jun 4, 12:00 PM
Boulder · Calvary Bible Church - Boulder Campus
Lunch with the Line
Thu, Jun 4, 12:00 PM
Boulder · Calvary Bible Church - Boulder Campus
Pierce Road Rally - Frederick
Thu, Jun 11, 10:00 AM
Longmont · Front Range Fire Apparatus
Pierce Road Rally - Frederick
Thu, Jun 11, 10:00 AM
Longmont · Front Range Fire Apparatus

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:

Grit2Greatness Endurance Training Camp 2026 - Boulder, CO

Marconics 'STATE OF THE UNIVERSE' Free Lecture - Longmont, CO

Alice Feagan -- "The Lost Board"

Parkinson Association Young Onset + Young Professional Council Happy Hour

Which events are currently trending in Boulder?

The trending searches this month in Boulder are:

stand up comedy

Which free events are coming up?

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

PROPERTY RETURNED TO YOU / LONGMONT POLICE

Louisville Farmers Market 2026 Season

Northglenn Artisan Market

Trident Community Forum: Boulder County Clerk & Recorder Molly Fitzpatrick