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Outdoor activities

in Boulder, CO

Discover outdoor activities in Boulder with Meetup. Whatever your interest, Meetup helps you connect with like-minded people.

Hiking

CANYON/BENJAMIN LOOPS + 4 MILE CANYON HIKE @ BETASSO PRESERVE, BOULDER!

Wed, Dec 24 · 8:00 AM MST

CANYON/BENJAMIN LOOPS + 4 MILE CANYON HIKE @ BETASSO PRESERVE, BOULDER!

by Alpine Adventurers Hiking

X-mas Day Hike (Hike more, Eat less)

Thu, Dec 25 · 12:00 PM MST

X-mas Day Hike (Hike more, Eat less)

by Boulder Social Hikers, Bikers and More!

Let’s Go Hike Windy Peak

Sat, Dec 27 · 9:00 AM MST

Let’s Go Hike Windy Peak

by Let's Go Adventures

Chapman Drive to May’s Point & Back via Tenderfoot Trail

Mon, Dec 29 · 9:00 AM MST

Chapman Drive to May’s Point & Back via Tenderfoot Trail

by Rise and Hike! Fit & Fun Weekday Hikers

Walking

Women Walking: Longmont

Fri, Jan 2, 2026 · 8:30 AM MST

Women Walking: Longmont

by Women Walking: Longmont

Walk in the New Year with Intention!

Thu, Jan 1, 2026 · 10:30 AM MST

Walk in the New Year with Intention!

by Longmont Walks

St. Vrain Greenway
Morning Nature Walk

Tue, Dec 30 · 9:00 AM MST

St. Vrain Greenway Morning Nature Walk

by Longmont Walks

Boulder Frontrunners Run/Walk

Sun, Dec 28 · 9:15 AM MST

Boulder Frontrunners Run/Walk

by Colorado Frontrunners: an LGBTQ running/walking group

Running

Run and Coffee meetup

Tue, Dec 30 · 10:00 AM MST

Run and Coffee meetup

by North Thornton Runners

THURSDAY NIGHT Weekly Social Run at Shoes and Brews!

Thu, Dec 25 · 6:00 PM MST

THURSDAY NIGHT Weekly Social Run at Shoes and Brews!

by Longmont Running

Achilles run/walk

Fri, Dec 26 · 2:00 PM MST

Achilles run/walk

by Boulder Achilles running and walking

Achilles run and walk

Sun, Dec 28 · 10:00 AM MST

Achilles run and walk

by Boulder Achilles running and walking

Cycling

2026 RMCC New Year's Day Century

Thu, Jan 1, 2026 · 8:00 AM MST

2026 RMCC New Year's Day Century

by Rocky Mountain Cycling Club RMCC

Pickleball at Clark Centennial Park Longmont, Sun Dec 28 10:00 am

Sun, Dec 28 · 10:00 AM MST

Pickleball at Clark Centennial Park Longmont, Sun Dec 28 10:00 am

by Longmont Pickleball

New Years Eve Lunch

Wed, Dec 31 · 12:00 PM MST

New Years Eve Lunch

by CC Riders Motorcycle Club

Happy You Near for Pickleball, followed by Coffee & Conversation at Ziggi's

Sun, Dec 28 · 10:30 AM MST

Happy You Near for Pickleball, followed by Coffee & Conversation at Ziggi's

by Longmont Pickleball

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