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Free Events and Things to do in Thornton, CO

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

Sales end soon
Run/Hike with Anthony Lee
Tomorrow at 8:00 AM
Boulder · 1220 Spruce St
Sales end soon
Run/Hike with Anthony Lee
Tomorrow at 8:00 AM
Boulder · 1220 Spruce St
Standley Lake High School
Thu, Oct 29, 4:30 PM
Westminster · Standley Lake High School
Standley Lake High School
Thu, Oct 29, 4:30 PM
Westminster · Standley Lake High School
Just added
Sourdough Class with Zuna's Bakery
Denver · 5300 E Florida Ave
Just added
Sourdough Class with Zuna's Bakery
Denver · 5300 E Florida Ave
Going fast
✨ Sobremesa for Bilingual Professionals ✨ Summer 2026
Wed, Jun 10, 5:45 PM
Denver · 4643 S Ulster St suite 700
Going fast
✨ Sobremesa for Bilingual Professionals ✨ Summer 2026
Wed, Jun 10, 5:45 PM
Denver · 4643 S Ulster St suite 700
AcuDetox Clinic
Sun, Jun 7, 1:00 PM
Boulder · Gunbarrel Library - Boulder Public Library District
AcuDetox Clinic
Sun, Jun 7, 1:00 PM
Boulder · Gunbarrel Library - Boulder Public Library District
Overnight White-Water Rafting & Camping in Kremmling
Fri, Jun 19, 2:00 PM
Golden · 15200 W 6th Ave
Overnight White-Water Rafting & Camping in Kremmling
Fri, Jun 19, 2:00 PM
Golden · 15200 W 6th Ave
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
2nd Star's June Book Club
Tue, Jun 23, 6:30 PM
Denver · Second Star to the Right Books
2nd Star's June Book Club
Tue, Jun 23, 6:30 PM
Denver · Second Star to the Right Books
House District 1 Democrats: Monthly Meeting
Sat, Jun 13, 9:30 AM + 8 more
Denver · Harvey Park Recreation Center
House District 1 Democrats: Monthly Meeting
Sat, Jun 13, 9:30 AM + 8 more
Denver · Harvey Park Recreation Center
River Writing Group
Sat, Jun 6, 5:00 PM + 5 more
Lakewood · The Karma House
River Writing Group
Sat, Jun 6, 5:00 PM + 5 more
Lakewood · The Karma House
Private Practice Networking
Thu, Jul 23, 5:30 PM + 3 more
Denver · Junction Food & Drink
Private Practice Networking
Thu, Jul 23, 5:30 PM + 3 more
Denver · Junction Food & Drink
Burnout To Backbone
Tue, Jun 23, 6:30 PM
Boulder · Network Wellness Center
Burnout To Backbone
Tue, Jun 23, 6:30 PM
Boulder · Network Wellness Center
✨Social✨ Glass Half Full Wine & Whiskey Wednesday
Wed, Jun 17, 5:00 PM + 4 more
Lakewood · Great Divide Brewery & Roadhouse
✨Social✨ Glass Half Full Wine & Whiskey Wednesday
Wed, Jun 17, 5:00 PM + 4 more
Lakewood · Great Divide Brewery & Roadhouse
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
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
Courtside Comedy
Tomorrow at 8:00 PM
Sheridan · 3rd Shot Pickleball – River Point
Sales end soon
Courtside Comedy
Tomorrow at 8:00 PM
Sheridan · 3rd Shot Pickleball – River Point
Indy Realtor Connect Series
Wed, Jun 17, 8:00 AM + 6 more
Denver · 1777 S Harrison St
Indy Realtor Connect Series
Wed, Jun 17, 8:00 AM + 6 more
Denver · 1777 S Harrison St
Sales end soon
Open Recovery Meeting
Tuesday at 7:00 PM + 6 more
Lakewood · The Karma House
Sales end soon
Open Recovery Meeting
Tuesday at 7:00 PM + 6 more
Lakewood · The Karma House
Christmas in July
Thu, Jul 16, 4:00 PM
Longmont · 2251 Ken Pratt Blvd ste a
Christmas in July
Thu, Jul 16, 4:00 PM
Longmont · 2251 Ken Pratt Blvd ste a
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 Thornton

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Frequently asked questions about Thornton

What are the best free events to attend?

According to Eventbrite, the best free events are:

Standley Lake High School

Sourdough Class with Zuna's Bakery

✨ Sobremesa for Bilingual Professionals ✨ Summer 2026

AcuDetox Clinic

Which events are currently trending in Thornton?

The trending searches this month in Thornton are:

carnival festival

Which free events are coming up?

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

Run/Hike with Anthony Lee

Courtside Comedy

Open Recovery Meeting

River Writing Group