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Events and Things to do in Longmont, CO

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Leftapalooza 2026, Presented by Colorado Materials
Sat, Jun 27, 10:30 AM
Longmont · The Garden at Left Hand Brewing
Leftapalooza 2026, Presented by Colorado Materials
Sat, Jun 27, 10:30 AM
Longmont · The Garden at Left Hand Brewing
Almost full
BSides Boulder 2026
Saturday at 8:30 AM
Boulder · University of Colorado Law School - Wolf Law Building - Wittemyer Courtroom
Almost full
BSides Boulder 2026
Saturday at 8:30 AM
Boulder · University of Colorado Law School - Wolf Law Building - Wittemyer Courtroom
Going fast
Boulder Comedy Festival at Niwot Hall
Tue, Jun 16, 7:00 PM
Niwot · Niwot Hall
Going fast
Boulder Comedy Festival at Niwot Hall
Tue, Jun 16, 7:00 PM
Niwot · Niwot Hall
22nd Annual Boulder Garden Tour
Sat, Jun 27, 9:00 AM
Boulder · Foothill Elementary School
22nd Annual Boulder Garden Tour
Sat, Jun 27, 9:00 AM
Boulder · Foothill Elementary School
Sales end soon
Humans to Titan Summit 2026
Thursday at 8:30 AM
Boulder · Southwest Research Institute
Sales end soon
Humans to Titan Summit 2026
Thursday at 8:30 AM
Boulder · Southwest Research Institute
Almost full
Tantra Speed Date® - Boulder! (Meet Singles Speed Dating)
Thursday at 7:00 PM
Boulder · Unity of Boulder
Almost full
Tantra Speed Date® - Boulder! (Meet Singles Speed Dating)
Thursday at 7:00 PM
Boulder · Unity of Boulder
Wild Provisions 5k | Boulder | 2026 CO Brewery Running Series
Sat, Jun 27, 10:00 AM
Boulder · Wild Provisions by 4 Noses Brewing Company
Wild Provisions 5k | Boulder | 2026 CO Brewery Running Series
Sat, Jun 27, 10:00 AM
Boulder · Wild Provisions by 4 Noses Brewing Company
Sales end soon
Amanda McCracken -- "When Longing Becomes Your Lover," with Meghan Rabbitt
Thursday at 6:30 PM
Boulder · Boulder Bookstore
Sales end soon
Amanda McCracken -- "When Longing Becomes Your Lover," with Meghan Rabbitt
Thursday at 6:30 PM
Boulder · Boulder Bookstore
Almost full
Annual Moors & McCumber Mapleton Hill Concert
Friday at 5:00 PM
Boulder · Boulder
Almost full
Annual Moors & McCumber Mapleton Hill Concert
Friday at 5:00 PM
Boulder · Boulder
Sales end soon
Rhythms of Resistance: Emily Barnes, Cat Plants & Trouble's Braids
Saturday at 7:00 PM
Boulder · Roots Music Project
Sales end soon
Rhythms of Resistance: Emily Barnes, Cat Plants & Trouble's Braids
Saturday at 7:00 PM
Boulder · Roots Music Project
FIESTA DE PACHA LUNA | Ibiza Nights
Thu, Jun 18, 6:00 PM
Boulder · 1023 Walnut St
FIESTA DE PACHA LUNA | Ibiza Nights
Thu, Jun 18, 6:00 PM
Boulder · 1023 Walnut St
Blues! Sue Foley - One Guitar Woman
Fri, Jun 26, 7:30 PM
Boulder · Roots Music Project
Blues! Sue Foley - One Guitar Woman
Fri, Jun 26, 7:30 PM
Boulder · Roots Music Project
Going fast
MOMS UNHINGED!
Sunday at 7:00 PM
Louisville · The Louisville Underground
Going fast
MOMS UNHINGED!
Sunday at 7:00 PM
Louisville · The Louisville Underground
Just added
Boulder Valley Middle-Income Housing Summit
Thu, Jun 18, 8:30 AM
Boulder · Kittredge Central Hall
Just added
Boulder Valley Middle-Income Housing Summit
Thu, Jun 18, 8:30 AM
Boulder · Kittredge Central Hall
Sales end soon
Thaw Documentary & Panel Boulder
Tomorrow at 6:00 PM
Boulder · eTown Hall
Sales end soon
Thaw Documentary & Panel Boulder
Tomorrow at 6:00 PM
Boulder · eTown Hall
Going fast
June Wine Event
Tomorrow at 6:00 PM
Boulder · Hotel Boulderado
Going fast
June Wine Event
Tomorrow at 6:00 PM
Boulder · Hotel Boulderado
Almost full
James E. Pepper Whiskey Class (Lafayette)
Tue, Jun 30, 6:00 PM
Lafayette · William Oliver's Lafayette
Almost full
James E. Pepper Whiskey Class (Lafayette)
Tue, Jun 30, 6:00 PM
Lafayette · William Oliver's Lafayette
Summer Solstice Gathering at Double Rainbow Ranch
Sat, Jun 20, 4:30 PM
Longmont · The Double Rainbow Ranch
Summer Solstice Gathering at Double Rainbow Ranch
Sat, Jun 20, 4:30 PM
Longmont · The Double Rainbow Ranch
Going fast
BMA Skills Clinic - Progression Session: Drops
Tue, Jun 23, 5:30 PM
Boulder · Valmont Bike Park
Going fast
BMA Skills Clinic - Progression Session: Drops
Tue, Jun 23, 5:30 PM
Boulder · Valmont Bike Park
Sales end soon
Pride Month Art of Healing Workshop
Thursday at 6:30 PM
Longmont · Bricks On 4th
Sales end soon
Pride Month Art of Healing Workshop
Thursday at 6:30 PM
Longmont · Bricks On 4th

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:

Leftapalooza 2026, Presented by Colorado Materials

BSides Boulder 2026

Boulder Comedy Festival at Niwot Hall

22nd Annual Boulder Garden Tour

Which events are currently trending in Longmont?

The trending searches this month in Longmont are:

memorial day events

children activities

Which events are coming up?

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

Thaw Documentary & Panel Boulder

June Wine Event

Humans to Titan Summit 2026

Amanda McCracken -- "When Longing Becomes Your Lover," with Meghan Rabbitt