Halloween event Events and Things to do in Boulder, CO
Boos & Brews Halloween 5k @ Number 38 | 2026 CO Brewery Running Series
Sat, Oct 31, 10:00 AM
Denver · Number Thirty Eight
Boos & Brews Halloween 5k @ Number 38 | 2026 CO Brewery Running Series
Sat, Oct 31, 10:00 AM
Denver · Number Thirty Eight
Halloween Costume Bar Crawl - Sat, Oct 24th (7:00pm-11:30pm)
Sat, Oct 24, 7:00 PM
Denver · Tony Tenderonis
Halloween Costume Bar Crawl - Sat, Oct 24th (7:00pm-11:30pm)
Sat, Oct 24, 7:00 PM
Denver · Tony Tenderonis
Limited Tickets - 2026 Denver Halloween Bar Crawl All Access
Sat, Oct 31, 8:00 PM
Denver · Various Locations Denver
Limited Tickets - 2026 Denver Halloween Bar Crawl All Access
Sat, Oct 31, 8:00 PM
Denver · Various Locations Denver
St. Vrain Trunk or Treat / Fall Festival
Sat, Oct 24, 4:00 PM
Longmont · The Church of Jesus Christ of Latter-day Saints
St. Vrain Trunk or Treat / Fall Festival
Sat, Oct 24, 4:00 PM
Longmont · The Church of Jesus Christ of Latter-day Saints
2026 Colorado Youth Football Invitational
Today at 11:00 AM
Boulder · CU Boulder Indoor Practice Facility
2026 Colorado Youth Football Invitational
Today at 11:00 AM
Boulder · CU Boulder Indoor Practice Facility
Pink Floyd Concert in the Dark with Award Winning Violinist WAITLIST SHOW
Sun, Apr 5, 7:00 PM
Boulder · Secret Location in Boulder
Pink Floyd Concert in the Dark with Award Winning Violinist WAITLIST SHOW
Sun, Apr 5, 7:00 PM
Boulder · Secret Location in Boulder
CASE Veterinary Educational Summit
Sun, Apr 19, 8:00 AM
Boulder · Boulder JCC (Boulder Jewish Community Center)
CASE Veterinary Educational Summit
Sun, Apr 19, 8:00 AM
Boulder · Boulder JCC (Boulder Jewish Community Center)
Cosmogenesis: The Story of Us® - Immersive Film & Performance Viewing Party
Sunday at 1:00 PM
Boulder · eTown Hall
Cosmogenesis: The Story of Us® - Immersive Film & Performance Viewing Party
Sunday at 1:00 PM
Boulder · eTown Hall
Kids' Huge Pop-Up Sale - Spring Tickets Arvada/Louisville
Wed, Apr 8, 11:00 AM
Broomfield · 170 E Flatiron Crossing Dr
Kids' Huge Pop-Up Sale - Spring Tickets Arvada/Louisville
Wed, Apr 8, 11:00 AM
Broomfield · 170 E Flatiron Crossing Dr
Will Van Derveer & Keith Kurlander -- "Psychedelic Therapy"
Mon, Mar 30, 6:30 PM
Boulder · First Congregational Church Of Boulder
Will Van Derveer & Keith Kurlander -- "Psychedelic Therapy"
Mon, Mar 30, 6:30 PM
Boulder · First Congregational Church Of Boulder
Sell Your Outgrown Kids' Stuff at the JBF Arvada Spring 2026 Sale!
Wed, Apr 8, 11:00 AM
Broomfield · 170 E Flatiron Crossing Dr
Sell Your Outgrown Kids' Stuff at the JBF Arvada Spring 2026 Sale!
Wed, Apr 8, 11:00 AM
Broomfield · 170 E Flatiron Crossing Dr
Brianna Madia -- "Homesick Nomad"
Mon, Apr 27, 6:30 PM
Boulder · First Congregational Church Of Boulder
Brianna Madia -- "Homesick Nomad"
Mon, Apr 27, 6:30 PM
Boulder · First Congregational Church Of Boulder
Radiohead Concert in the Dark w Live Strings + Cacao WAITLIST SHOW
Fri, May 8, 7:00 PM
Boulder · Secret Location in Boulder
Radiohead Concert in the Dark w Live Strings + Cacao WAITLIST SHOW
Fri, May 8, 7:00 PM
Boulder · Secret Location in Boulder
