Outdoor 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
Unique Scavenger Hunt Experience in Arvada by Operation City Quest
Today at 9:00 AM + 323 more
Arvada · Olde Town Square
Unique Scavenger Hunt Experience in Arvada by Operation City Quest
Today at 9:00 AM + 323 more
Arvada · Olde Town Square
Introduction to Native Plant Master: 1-Day Field Course
Tue, May 19, 9:30 AM
Longmont · Ron Stewart Preserve at Rabbit Mountain Open Space
Introduction to Native Plant Master: 1-Day Field Course
Tue, May 19, 9:30 AM
Longmont · Ron Stewart Preserve at Rabbit Mountain Open Space
Native Plant Master 3-Day Field Course: Plants of the Foothills
Fri, Jun 12, 9:00 AM
Boulder County · Heil Valley Ranch Open Space
Native Plant Master 3-Day Field Course: Plants of the Foothills
Fri, Jun 12, 9:00 AM
Boulder County · Heil Valley Ranch Open Space
DNVR Sports Summit FC Takeover at Empower Field
Saturday at 11:00 AM
Denver · Empower Field at Mile High
DNVR Sports Summit FC Takeover at Empower Field
Saturday at 11:00 AM
Denver · Empower Field at Mile High
Canine Partners of the Rockies 3rd Annual Golf Tournament
Fri, Jun 26, 8:30 AM
Thornton · Thorncreek Golf Course
Canine Partners of the Rockies 3rd Annual Golf Tournament
Fri, Jun 26, 8:30 AM
Thornton · Thorncreek Golf Course
Tacos, Yoga & Beer at River North Brewery - Blake St.
Saturday at 12:00 PM + 13 more
Denver · River North Brewery - Blake Street Taproom
Tacos, Yoga & Beer at River North Brewery - Blake St.
Saturday at 12:00 PM + 13 more
Denver · River North Brewery - Blake Street Taproom
Five Alarm 5k & Chili Cook-Off @ Bierstadt Lagerhaus | Denver | 2026 CO BRS
Sun, Oct 25, 10:00 AM
Denver · Bierstadt Lagerhaus
Five Alarm 5k & Chili Cook-Off @ Bierstadt Lagerhaus | Denver | 2026 CO BRS
Sun, Oct 25, 10:00 AM
Denver · Bierstadt Lagerhaus
TouchDesigner: Projection Mapping
Wed, Apr 8, 6:00 PM
Denver · Deep Space Drive-In, Curtis Street, Denver, CO, USA
TouchDesigner: Projection Mapping
Wed, Apr 8, 6:00 PM
Denver · Deep Space Drive-In, Curtis Street, Denver, CO, USA
Make New Girlfriends, A Fill The Gap Speed Friending Night For Women 30-50
Thu, Apr 30, 6:00 PM
Denver · Left Hand RiNo Drinks & Eats
Make New Girlfriends, A Fill The Gap Speed Friending Night For Women 30-50
Thu, Apr 30, 6:00 PM
Denver · Left Hand RiNo Drinks & Eats
Firehouse 5k @ Station 26 Brewing | 2026 CO Brewery Running Series
Sat, May 9, 10:00 AM
Denver · Station 26 Brewing Co.
Firehouse 5k @ Station 26 Brewing | 2026 CO Brewery Running Series
Sat, May 9, 10:00 AM
Denver · Station 26 Brewing Co.
Master Your Camera Controls and Composition in the Field - Photo Workshops
Sat, May 2, 9:30 AM
Denver · LoDo
Master Your Camera Controls and Composition in the Field - Photo Workshops
Sat, May 2, 9:30 AM
Denver · LoDo
Craft & Sip - Crushed Stained Glass Suncatcher Workshop - at Billy Birch!
Wed, Apr 15, 6:00 PM
Thornton · Billy Birch Pub and Yard
Craft & Sip - Crushed Stained Glass Suncatcher Workshop - at Billy Birch!
Wed, Apr 15, 6:00 PM
Thornton · Billy Birch Pub and Yard
