Outdoor activities

in Waltham, MA

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

Hiking

WALK ON WATER, Floating Boardwalk. Marlboro

WALK ON WATER, Floating Boardwalk. Marlboro

Sat, Jul 11 · 9:00 AM EDT

by Let’s Get Hiking!

Morning Hike - North Reservoir

Morning Hike - North Reservoir

Thu, Jul 16 · 9:45 AM EDT

by Hike the Middlesex Fells

Step Into Nature: Noon
Hill Wellness Hike & Connection Walk

Step Into Nature: Noon Hill Wellness Hike & Connection Walk

Sun, Aug 9 · 9:00 AM EDT

by Let’s Get Hiking!

Spectacle Island Walk: No Immunity for Big Oil

Spectacle Island Walk: No Immunity for Big Oil

Sun, Jul 19 · 9:00 AM EDT

by Sierra Club Massachusetts Hikes and Walks

Walking

Walking Groton/Dunstsble

Walking Groton/Dunstsble

Wed, Jul 15 · 6:33 PM EDT

by Walking Meetup Group Groton Area

Nature Walk, Arnold Arboretum

Nature Walk, Arnold Arboretum

Sat, Jul 11 · 10:00 AM EDT

by Nature Walking Group in Arnold Arboretum

Weekly Multigroup Community Sunset Walk at Fresh Pond+optional dinner 6:00pm EDT

Weekly Multigroup Community Sunset Walk at Fresh Pond+optional dinner 6:00pm EDT

Sun, Jul 12 · 6:00 PM EDT

by Boston Walking Meetup Group

Wayland Family Nature Walk

Wayland Family Nature Walk

Sat, Jul 18 · 10:00 AM EDT

by Wayland Nature Walks

Running

Boston Build a Self-Running AI Store

Boston Build a Self-Running AI Store

Tue, Jul 7 · 6:00 PM EDT

by Soul of the Novel Discussion Group

Lazy Sunday Run and Coffee Social

Lazy Sunday Run and Coffee Social

Sun, Jul 12 · 8:00 AM EDT

by Dashing Whippets Running Team - Boston Chapter

3 Mile Run Starting From Davis Square

3 Mile Run Starting From Davis Square

Tue, Jul 7 · 6:30 PM EDT

by Davis Square Runners

5-6 Mile Run Starting from Medford Square

5-6 Mile Run Starting from Medford Square

Wed, Jul 8 · 6:45 AM EDT

by Medford Square Runners

Cycling

Bike ride to the Tall Ships in Boston

Bike ride to the Tall Ships in Boston

Sun, Jul 12 · 9:00 AM EDT

by North Shore Bicycling For Fun

(South Sta)Grafton MBTA-Hudson-Assabet Riv Trail -Concord-Cambridge

(South Sta)Grafton MBTA-Hudson-Assabet Riv Trail -Concord-Cambridge

Sun, Jul 12 · 7:00 AM EDT

by Greater Boston and New England Area Cycling

Bruce Freeman Rail Trail

Bruce Freeman Rail Trail

Wed, Jul 8 · 10:00 AM EDT

by North Shore Bicycling For Fun

Concord to Harvard Loop

Concord to Harvard Loop

Sun, Jul 12 · 9:30 AM EDT

by AMC Boston Bike Committee

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