Things to do in Boston on Saturday, October 31, 2026

208 events listed in and around Boston, each with its time and venue.

Morning

3 Mile Run Starting from Medford Square
Run Club · 7 AM · Medford Square
6-8 Mile Run Starting from Medford Square
Run Club · 7 AM · Medford Square
Whippets Weekend Run - Boston Common
Run Club · 7:30 AM · Downtown Boston
Charity Clothing Service Event
Volunteering · 9 AM – 12 PM · Cambridge Highlands
Brigham and Women's Labor and Birth Class In Person
Class · Health · Sold out · 9 AM – 4 PM · Brookline
Saturday Toastmasters of Arlington
Class · 9 AM · Robbins Library
Robot Tricks & Tech Treats: NSBE Boston's STEAM-O-WEEN Takeover
Family Learning · Halloween · 9 AM – 1 PM · Cambridge
Theory of Painting and Drawing
Art Class · Painting And Drawing · 9 AM – 12 PM · Cambridge
Battle For Boston 2026
Race · Running · 9 AM – 12 PM · Dog Park at Edward Leathers Community Park
Meet Your Watershed: Halloween Run Club with Patagonia
Run Club · 9:15 AM · Patagonia
Founders Running Club :: Boston
Run Club · 9:30 AM · 77 Massachusetts Ave
2026 Future New Power Youth Leadership Summit 未来新生代青年领袖峰会
Talk · Leadership · 9:30 AM · Ray and Maria Stata Center
Newton Rumba Beginner Class for Adult
Class · Rumba · 9:30 AM · South End
2026 Future New Power Youth Leadership Summit | Youth Leadership & Civilization in the AI Era
Talk · AI · 9:30 AM · Ray and Maria Stata Center
Saturday Group Walk: Newton Centre, MA (10 & 5KM Walk options)
Hike & Walk · 9:45 AM · Newton Public Library
Boston Men's Plunge (Every Saturday at 10am)
Beach & Water · 10 AM · South Boston
Victorian Post-Mortem Photos and Your Eternal Photograph (Sat. Oct. 31st)
Talk · Post Mortem Photos · Sold out · 10 AM · Back Bay
Nature Walk, Arnold Arboretum
Hike & Walk · 10 AM · Jamaica Plain
Stronger Together Health Fair
Expo & Convention · Health · 10 AM – 1 PM · Roxbury
Rozzie Fitness Sweat for a Cause - Benefitting the Sarah Roberts School
Fitness Class · 10 AM · Roslindale
Shut Up & Write!® – Union Square Somerville – Saturdays 10:00 AM at Life Alive
Writing Group · 10 AM · Cambridge
Pumpkin Stroll & Family Halloween Fun at Boston Public Market
Kids · Halloween · 10 AM – 3 PM · Downtown Boston
WEEKEND BRUNCH AT REBEL’S GUILD
Brunch · 10 AM – 2 PM · Back Bay
MIDNIGHT MASQUERADE AT CLERYS - Halloween Event
Dance Party · Halloween · 10 AM – 2 AM · South End
BOSTON RETAIL SHOW 2026
Expo & Convention · Retail · 10 AM · Hynes Convention Center
Halloween Costume Clinic
Craft Workshop · Costumes · 10 AM – 2 PM · Jamaica Plain
BA Boston HEMA Practice [READ DESC]
Play · Boxing & MMA · 10 AM – 1 PM · Allston
Fit Fete Fall 2026!
Dance Fitness · 10 AM · Roxbury
Cannondale Gravel Demo Ride
Group Ride · Cycling · 10 AM · Waverly Square
Dearly Beloved: A Lou’s Legendary Idols Halloween Party
Dance Party · Rock · 10 AM · Lou's
Shabbat Services
Faith & Spiritual · Shabbat · 10 AM – 1 PM · Havurat Shalom Congregation
Halloween on Beacon Hill: Coffee + Stroll
Meetup · Halloween · 10:30 AM · Beacon Hill
Annual Fall Mini-Sessions with Allan Millora Photography 2026
Arts · 10:30 AM · Downtown Boston
History of Boston | Art Gallery Tour
Tour · 10:30 AM · Beacon Hill
Cummins Family Dental 1st Annual Trunk or Treat Event !
Kids · Sold out · 11 AM – 3 PM · Mattapan
What’s Scarier Than Mass Ave?
Race · Cycling · 11 AM · Neighborhood Four
Harvard ReCompute & Undergraduate Photography Club w/ Speakers from HP, Duke Pan, Hena Yang
Talk · Photography · 11 AM – 8 PM · Northwest Building
North End Rust Lunch, Oct 31
Meetup · Rust · 11 AM · North End
Moving, Sounding & Acting Improvisation Workshop with Janis Brenner
Class · Improvisation · 11:30 AM · The Dance Complex

Afternoon

$9-18 Early Bird Specials, Crawl-O -Ween Cheapest Around(25% Discount Only Here)
Bar Crawl · Halloween · 12 PM – 9 PM · Fenway
Hatha Yoga with Live Music
Yoga & Pilates · 12 PM · The Lilypad
Alewife Mushroom and Fungi Tour
Tour · Mushrooms · 12 PM · East Arlington
Hands-On: Gnocchi alla Zucca (Halloween Edition)
Cooking Class · 12 PM · Back Bay
Halloween Die-In - Sat 10/31 at 12pm, Outside Park St T Stop
Volunteering · Climate Change · 12 PM · Downtown Boston
$9-18 Early Bird , Crawl-O -Ween Cheapest Around(25% Discount Here)
Bar Crawl · Halloween · 12 PM – 9 PM · Fenway
Boston Code and Coffee @ CIC
Networking · Code And Coffee · 12 PM – 3 PM · CIC Cambridge @ 1 Broadway
HTECH Conference @ Harvard
Talk · Healthtech · 12 PM – 5 PM · Cambridge
Autumn Alchemy: Yoga, Pranayama and Meditation
Yoga & Pilates · 12 PM · The Foundry (Room: The Dance Studio - 1st Floor)
Tea Room at SJ’s
Coffee & Dessert · Tea · 12 PM – 4 PM · Downtown Boston
Crawl-O-Ween 2026: Boston's Official Halloween Bar Crawl
Bar Crawl · 12 PM – 9 PM · Fenway
COSTUME CRAWL!
Bar Crawl · Halloween · 12 PM – 6 PM · South End
Pumpkin Succulent Centerpiece (Cambridge)
Craft Workshop · Succulent Centerpiece · 12:30 PM · Craft Loft (Cambridge Store)
History of Boston Through Paintings | Art Tour
Tour · 12:30 PM · Beacon Hill
Official Cambridge Halloween Bar Crawl
Bar Crawl · Halloween · 1 PM – 8 PM · La Fabrica
[BUSINESS] Saturday Ultimate @ Donnelly Field (East Cambridge)
Play · 1 PM · Donnelly Field Cambridge
Asi Wind
Magic · 1 PM · Statue Park
[CAMBRIDGE] Saturday Go - Beginners Welcome!
Game Night · 1 PM – 5 PM · Cambridge Public Library
Boston Chocolate Tour: From Beacon Hill to Boston Public Market
Tasting · Chocolate · 1 PM · Beacon Hill
Boston Bruins vs. Chicago Blackhawks
Game · Hockey · 1 PM · TD Garden
Free Rock Climbing- Central Rock Cambridge
Climbing · 1:30 PM · Cambridge Highlands
Illusions The Drag Brunch Boston - Drag Queen Brunch Show - Boston, MA
Drag & Burlesque · 1:30 PM · Downtown Boston
Late Nite Catechism: Til Death Do Us Part
Arts · 2 PM · Downtown
On parle en français: French Conversation Day
Language · French · 2 PM · Grafton Street Pub & Grill
Wicked (Touring)
Musical · 2 PM · Downtown
A World of Light: Awaken, Illuminate, Inspire
Festival · Diwali · 2 PM · Brahma Kumaris Learning Center for Peace
Halloween Darty at Lamplighter Brewing Co
Tasting · Halloween · 2 PM – 5 PM · Lamplighter Brewing Co. - Broadway
Saturday Language Exchange @ Kendall Squareでの土曜日言語交換
Language · Japanese · 2 PM · 325 Main St
Unicycle Boston @ Morse Kelley
Meetup · Unicycling · 2 PM · Morse-Kelley Park
Boston - Silicon Valley AI Film Festival Screening Showcase
Film · 2 PM – 5 PM · Ray and Maria Stata Center
Paint Nite • Penny Weight Hotel • Boston
Art Class · Painting · 2 PM · North End
Come together to work together
Meetup · Mutual Aid · 2 PM · Boston Connection and Art
Harvard - D5 Workshop
Class · 2:10 PM · Northwest Building
Hands-On: Espresso Martini Tiramisù (Halloween Edition)
Cooking Class · Tiramisu · 2:30 PM · Back Bay
Boston Fenway Official Halloween Bar Crawl
Bar Crawl · Halloween · 3 PM – 10 PM · Fenway
QPICK Quincy Pickup Street Hockey
Play · Hockey · 3 PM – 6 PM · 15 Narragansett Rd
Perfume Making Workshop in Boston - Brighton MA
Craft Workshop · Perfume · 3 PM · Brighton
Boston Official Halloween Bar Crawl 2026 By Bar Crawl LIVE!
Bar Crawl · Halloween · 3 PM – 11 PM · Back Bay
Boston Faneuil Hall Official Halloween Bar Crawl
Bar Crawl · Halloween · 3 PM – 10 PM · Downtown Boston
Boston Faneuil Hall Halloween Bar Crawl 2026
Bar Crawl · Halloween · 3 PM – 10 PM · Downtown Boston
Jacque-ula!
Drag & Burlesque · Halloween · 3 PM · Back Bay
Boston Fenway Halloween Bar Crawl 2026
Bar Crawl · Halloween · 3 PM – 10 PM · Fenway
Halloween Cake Decorating Class - ages 6+
Cooking Class · Cake Decorating · 3 PM · Roxbury
Taste of Boston Sampler
Tasting · 3 PM · Dorchester
Cambridge Official Halloween Bar Crawl
Bar Crawl · Halloween · 3 PM – 10 PM · 730 Tavern, Kitchen & Patio
8th Annual Boston Halloween Town
Family Festival · 3:30 PM – 7 PM · Dorchester
Free Energy Healing Session - an interactive program
Meditation · 3:30 PM · Boston Bodhi Meditation Center
Booze N' Brush Next to Naked Sip n' Paint Boston, MA - Exotic Male Model
Art Class · Painting · 4 PM · Downtown Boston
Halloween Scavenger Hunt!
Escape Room · Halloween · 4 PM – 7 PM · Cambridge
Jamaica Plain CircleSinging
Open Mic · Folk / Americana · 4 PM – 7 PM · Jamaica Plain
Intro to (Spooky) Miniatures with Amber & Amy
Craft Workshop · Miniatures · 4 PM · Jamaica Plain
AERONAUT's Halloween Scavenger Hunt
Sports · 4 PM – 7 PM · Cambridge
Harvard - Bentley Workshop
Class · 4 PM · Northwest Building
Boston University Womens Hockey vs. Northeastern Womens Hockey
Game · Hockey · 4 PM · Walter Brown Arena
Boston Halloween Bar Crawl 2026
Bar Crawl · 4 PM · Fenway
☠️HAUNTED HOUSE☠️ @ ICON - FR❄️ST FGXzotix
Arts · 4 PM – 9 PM · Back Bay

Evening

Dealer's Choice - Free Weekly Tasting at DeLuca's Market Newbury!
Tasting · Seasonal Beverage · 5 PM · Back Bay
Hands-On: Halloween Dinner
Cooking Class · Squid Ink Pasta · 5 PM · Back Bay
ADMITTED : VENU ASYLUM THE DAY PARTY
Day Party · Halloween · 5 PM – 9 PM · Back Bay
HALLOWEEN PARTY! Day->NIGHT Jungle Theme
Dance Party · Halloween · 5 PM · marsh post #442
Watercolor Art Classes
Art Class · Watercolor · 5 PM · Beacon Hill
All things to do in Boston