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Events and Things to do in Longmont, CO

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An Evening with Rainn Wilson
Tue, Nov 3, 7:00 PM
Boulder · Macky Auditorium Concert Hall
An Evening with Rainn Wilson
Tue, Nov 3, 7:00 PM
Boulder · Macky Auditorium Concert Hall
Ugly Sweater 5k @ Left Hand Brewing Co. | 2026 CO Brewery Running Series
Sat, Dec 5, 10:00 AM
Longmont · Left Hand Brewing Company
Ugly Sweater 5k @ Left Hand Brewing Co. | 2026 CO Brewery Running Series
Sat, Dec 5, 10:00 AM
Longmont · Left Hand Brewing Company
2026 Boulder Valley Real Estate Conference presented by BizWest
Thu, Nov 19, 8:30 AM
Boulder · Limelight Boulder
2026 Boulder Valley Real Estate Conference presented by BizWest
Thu, Nov 19, 8:30 AM
Boulder · Limelight Boulder
Almost full
An Evening with Amber Glenn
Mon, Nov 30, 7:00 PM
Boulder · University Memorial Center
Almost full
An Evening with Amber Glenn
Mon, Nov 30, 7:00 PM
Boulder · University Memorial Center
Almost full
Grateful Dragons American Mah Jongg Tournament
Wed, Nov 11, 9:00 AM
Boulder · Boulder JCC (Boulder Jewish Community Center)
Almost full
Grateful Dragons American Mah Jongg Tournament
Wed, Nov 11, 9:00 AM
Boulder · Boulder JCC (Boulder Jewish Community Center)
Almost full
2026 International Fall Cochlear Implant Meeting
Mon, Nov 9, 7:00 AM
Boulder · St Julien Hotel & Spa
Almost full
2026 International Fall Cochlear Implant Meeting
Mon, Nov 9, 7:00 AM
Boulder · St Julien Hotel & Spa
Almost full
Spooky Cabaret 2026
Tomorrow at 6:00 PM + 1 more
Boulder · 3022 East Sterling Cir
Almost full
Spooky Cabaret 2026
Tomorrow at 6:00 PM + 1 more
Boulder · 3022 East Sterling Cir
Turkey Reservations 2026
Berthoud · Long Shadow Farm
Turkey Reservations 2026
Berthoud · Long Shadow Farm
Going fast
Halloween Latte Art Throwdown
Thu, Oct 29, 6:00 PM
Boulder · Boxcar Coffee | Mesa Cafe
Going fast
Halloween Latte Art Throwdown
Thu, Oct 29, 6:00 PM
Boulder · Boxcar Coffee | Mesa Cafe
Assembly of Dust | Reid Genauer's Epic Two-Night Stand (Night 1)
Fri, Nov 13, 8:00 PM
Boulder · Roots Music Project
Assembly of Dust | Reid Genauer's Epic Two-Night Stand (Night 1)
Fri, Nov 13, 8:00 PM
Boulder · Roots Music Project
Almost full
Dr. Stacy Sims: Why Strength Training and Being Muscle-Centric is Important
Wednesday at 6:45 PM
Boulder · Uplift Boulder
Almost full
Dr. Stacy Sims: Why Strength Training and Being Muscle-Centric is Important
Wednesday at 6:45 PM
Boulder · Uplift Boulder
The Underground Comedy Showcase
Today at 8:00 PM + 440 more
Boulder · License No. 1
The Underground Comedy Showcase
Today at 8:00 PM + 440 more
Boulder · License No. 1
Almost full
1940s Ball: The World Famous Glenn Miller Orchestra Holiday Spectacular!
Sat, Dec 5, 5:30 PM
Broomfield · Omni Interlocken Hotel
Almost full
1940s Ball: The World Famous Glenn Miller Orchestra Holiday Spectacular!
Sat, Dec 5, 5:30 PM
Broomfield · Omni Interlocken Hotel
Supporting Students Who Learn Differently
Sun, Nov 8, 12:00 PM
Boulder · Watershed School
Supporting Students Who Learn Differently
Sun, Nov 8, 12:00 PM
Boulder · Watershed School
Toys In The Attic
Sat, Nov 14, 6:30 PM
Niwot · Niwot High School Auditorium
Toys In The Attic
Sat, Nov 14, 6:30 PM
Niwot · Niwot High School Auditorium
Wellness Wednesdays - Boulder's Health & Wellness Practitioner Networking!
Wed, Nov 4, 12:00 PM + 44 more
BOULDER · Boulder Healing Hub
Wellness Wednesdays - Boulder's Health & Wellness Practitioner Networking!
Wed, Nov 4, 12:00 PM + 44 more
BOULDER · Boulder Healing Hub
Almost full
Polished Bridal Hair Brianna Miller
Sun, Nov 22, 11:00 AM
Mead · D. Allure Hair & Makeup Salon
Almost full
Polished Bridal Hair Brianna Miller
Sun, Nov 22, 11:00 AM
Mead · D. Allure Hair & Makeup Salon
Merritt R. Turetsky -- "Bogland," with Hillary Rosner
Thu, Oct 29, 6:30 PM
Boulder · Boulder Bookstore
Merritt R. Turetsky -- "Bogland," with Hillary Rosner
Thu, Oct 29, 6:30 PM
Boulder · Boulder Bookstore
2026 Whaaat!? Festival
Sat, Nov 7, 9:00 AM
Boulder · Roser ATLAS Center
2026 Whaaat!? Festival
Sat, Nov 7, 9:00 AM
Boulder · Roser ATLAS Center
Nothing But Nineties
Sat, Dec 5, 8:00 PM
Louisville · The Louisville Underground
Nothing But Nineties
Sat, Dec 5, 8:00 PM
Louisville · The Louisville Underground

Trends in Longmont

Explore more trends

Explore more trends

Frequently asked questions about Longmont

What are the best events to attend?

According to Eventbrite, the best events are:

An Evening with Rainn Wilson

Ugly Sweater 5k @ Left Hand Brewing Co. | 2026 CO Brewery Running Series

2026 Boulder Valley Real Estate Conference presented by BizWest

An Evening with Amber Glenn

Which events are currently trending in Longmont?

The trending searches this month in Longmont are:

halloween events

Which events are coming up?

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

The Underground Comedy Showcase

Spooky Cabaret 2026

Dr. Stacy Sims: Why Strength Training and Being Muscle-Centric is Important

Halloween Latte Art Throwdown