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Outdoor activities

in Waltham, MA

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

Hiking

Afternoon Hike on the Battle Road Trail - Lincoln MA

Fri, Jan 30, 2026 · 14:30 EST

Afternoon Hike on the Battle Road Trail - Lincoln MA

by Out And About in Northern MA and Southern NH

Crystal Springs, Virginia Wood and MWRA Reservoir

Fri, Jan 2, 2026 · 10:00 EST

Crystal Springs, Virginia Wood and MWRA Reservoir

by Hike the Middlesex Fells

First Day Hike at Walden Pond (late risers😴)

Thu, Jan 1, 2026 · 12:00 EST

First Day Hike at Walden Pond (late risers😴)

by The Boston Hiking Meetup Group

Houghton Hill, Skyline to Great Blue and mixed trails.

Tue, Dec 30 · 09:31 EST

Houghton Hill, Skyline to Great Blue and mixed trails.

by Blue Hills Hiking and Biking Club

Walking

Nature Walk, Arnold Arboretum

Sat, Jan 3, 2026 · 10:00 EST

Nature Walk, Arnold Arboretum

by Nature Walking Group in Arnold Arboretum

Saturday Group Walk: Newton Centre, MA (10 & 5KM Walk options)

Sat, Jan 10, 2026 · 10:15 EST

Saturday Group Walk: Newton Centre, MA (10 & 5KM Walk options)

by Walk 'N Mass: Walk for Fun, Fitness, Friendship in MA & RI

Weekly Multigroup Community Sunset Walk at Fresh Pond+optional dinner 3:15pm EST

Sun, Jan 4, 2026 · 15:15 EST

Weekly Multigroup Community Sunset Walk at Fresh Pond+optional dinner 3:15pm EST

by Boston Walking Meetup Group

New Years Day Walk -Back Bay, Boston (5 & 10 KM)

Thu, Jan 1, 2026 · 08:30 EST

New Years Day Walk -Back Bay, Boston (5 & 10 KM)

by Walk 'N Mass: Walk for Fun, Fitness, Friendship in MA & RI

Running

Lazy Sunday Run and Coffee Social

Sun, Jan 11, 2026 · 08:00 EST

Lazy Sunday Run and Coffee Social

by Dashing Whippets Running Team - Boston Chapter

Whippets Weekend Run - Boston Common

Sat, Jan 3, 2026 · 07:30 EST

Whippets Weekend Run - Boston Common

by Dashing Whippets Running Team - Boston Chapter

3 Mile Run Starting From Davis Square

Tue, Dec 30 · 18:30 EST

3 Mile Run Starting From Davis Square

by Davis Square Runners

Let’s Go for a Brunch Run (10:30 AM)

Sun, Jan 4, 2026 · 10:30 EST

Let’s Go for a Brunch Run (10:30 AM)

by Boston Social Running Club

Cycling

Walk the Boundaries of Colonial Boston

Sun, Jan 11, 2026 · 15:00 EST

Walk the Boundaries of Colonial Boston

by Mosaic Jewish Outdoor Club of Massachusetts

Narrow-Gauge Rail Trail - Part 2

Sun, Jan 4, 2026 · 12:00 EST

Narrow-Gauge Rail Trail - Part 2

by The Exploring Group

Boston Code and Coffee @ CIC

Sat, Jan 10, 2026 · 12:00 EST

Boston Code and Coffee @ CIC

by Boston Code and Coffee

Meet & Ride at Revolution Hall

Wed, Dec 31 · 18:00 EST

Meet & Ride at Revolution Hall

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