Last two cohorts sold out · November & January now enrolling →
A small group silhouetted against gym windows at golden hour

Friendshipisn't found.It's forged.

Train together. Become a crew.

8 people · 8 weeks · 16 coached sessions · Oakville · Burlington

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Find your people

Upcoming cohorts ↗
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Walk in as strangers.

Walk out as a crew.

We are not a social app or a fitness program with a community angle.We are belonging infrastructure.

Friendship isn't built through proximity alone. It's built through consistency: showing up for the same thing, alongside the same people, over time. Shared effort accelerates trust. Accountability becomes care. Familiarity turns into belonging.

Forge is for adults who want more than surface-level interaction. People entering new chapters. People rebuilding themselves. People who are done waiting to stumble into a community and ready to build one.

A group class mid-squat, barbells on shoulders, in black and white

Build your strength.
Build your social circle.

The workout is the vehicle. The group is the point.

8People per cohort
8Weeks per arc
2×Sessions a week
16Coached sessions

8 people

Small enough that it's difficult to stay anonymous.

Fixed group

The room doesn't reset every week.

Twice a week

An introduction isn't enough. Connection needs repetition.

Eight weeks

Shared history needs time to accumulate.

Shared training

Something to do together, instead of making socializing the task.

Dinner + Challenge

More contexts. More experiences. More shared stories.

The many ways we lose our people

Where has your social infrastructure broken?

Nobody wakes up lonely. Most adults arrive there slowly, through transitions modern life doesn't warn you about.

The newly single

Your relationship ended. Your social circle changed with it.

Shared friendships shifted. Familiar routines disappeared. Weekends got quiet. You're ready for a circle that belongs to this next chapter, and to you.

The solo trainer

You have friends. You just don't have anyone to train with.

Your friends are great. They just don't want to lift weights twice a week. You're tired of working out alone and want people working toward the same thing.

The accountability seeker

You know what to do. You just need people expecting you to show up.

Motivation comes and goes. A group that notices when you're missing doesn't. Same people, same time, twice a week, with a coach who knows your name.

The empty nester

The kids built their own lives. Now it's time to build more of yours.

The house is quieter and your evenings are yours again. You love your kids. You also want friendships, plans and a routine of your own.

The newcomer

You moved somewhere new. Your friendships didn't come with you.

New address, new grocery store, new commute. The people who know your story are hours away. Forge gives you a standing reason to see the same faces, twice a week.

The friendship drifter

You still have friends. You just never seem to see them anymore.

Nobody did anything wrong. Life got busy, plans got cancelled, and every month got harder to line up. Forge puts connection on the calendar so it stops depending on everyone's schedule.

The single parent

You're raising a family. But who's in your corner?

You show up for everyone, every day. Forge is time that's yours, with people who are glad you showed up.

The new parent

You became a parent. Somewhere along the way, you lost your village.

Your days revolve around small humans and your calendar is full of their plans. Forge is a fixed time that's yours, with adults who are glad you came.

The challenge seeker

You've done hard things with strangers. Imagine doing them with friends.

The finish line comes quickly. Finding people to keep showing up with is harder. Forge keeps the effort going with the same small group, week after week.

The remote worker

You're connected all day. But when was the last time you felt connected?

Slack, Zoom, email, texts. Days can pass without a real conversation. Forge gets you out of the house and into a room with the same people, twice a week.

The common thread

Different stories. Same need for connection.

Whatever brought you here, you don't have to figure out the next chapter alone. Just show up. We'll bring the structure, the consistency, and seven other people who showed up too.

Find your cohort →

You don't browse for people.
You commit to a cohort.

The crew forms around the commitment.

A row of kettlebells waiting on a gym floor
01

Apply

Apply once. We place you in a cohort of eight based on your city and schedule.

Hands gripping two kettlebells
02

Train

Programmed strength training led by a Forge-certified facilitator, scaled to any fitness level.

A group class working out together under low light
03

Repeat

Same room. Same faces. Twice a week for eight weeks. The repetition is the mechanism.

Three women laughing and high-fiving
04

Forge

Sixteen sessions. Finish stronger, together. See what gets built.

Apply now →

Connection is built
through repetition.

An illustration of what repeated time together makes possible. Every group finds its own rhythm.

Two people fist-bumping on a gym floor between sets

Our fall cohorts in Oakville and Burlington
sold out.

Every cohort is capped at eight. Here's what those eight weeks hold.

Applications are open for the next ones →

Find your crew.

Pick your city, then apply for the next cohort or help bring one to you.

Where do you want to train?

    Which days and times work? Select all that work. Pick at least one time that works.
    You're in.

    We've built a thousand ways | to meet someone.

    We haven't built nearly enough | to make them stay.

    The problem isn't you. It's the social design.

    Modern life gives us introductions.It rarely gives us repetition.

    A group of friends together at sunset
    Then

    Built-in connection

    Same places.
    Same faces.

    Proximity and repetition did the heavy lifting.

    Then / Built-in connection

    • School
    • Team sports
    • Third places
    • The office
    • Neighbourhoods
    One person sitting alone at a window
    Now

    Fragmented connection

    More convenience.
    Fewer encounters.
    Less connection.

    Our paths no longer cross by default.

    Now / Fragmented connection

    • Commutes
    • Screens
    • Delivery
    • Busy calendars
    • Remote work
    A small group sitting together on a hill at sunset

    Loneliness isn't a personal failure.It's an infrastructure problem.

    We didn't forget how to make friends. We lost many of the conditions that made friendship happen naturally.

    We've studied connection for decades.
    It's time to design for it.

    We know friendship needs more than introductions. Forge puts the conditions for connection into practice: repeated proximity, shared effort, consistency, and time.

    Vivek Murthy · US Surgeon General, 2023
    "Our epidemic of loneliness and isolation has been an underappreciated public health crisis."
    Advisory: Our Epidemic of Loneliness and Isolation
    MIT Westgate study · 1950

    Who became friends came down, in large part, to who lived closest and whose paths crossed most often.

    Festinger, Schachter & Back
    Aristotle · Nicomachean Ethics
    "A wish for friendship may arise quickly, but friendship does not."
    Book VIII

    Explore the science of Forge →

    Nine ideas from science and philosophy shape how we build the room.

    Tap any card to see the research behind it.

    01

    Propinquity Effect

    Friendship is a proximity game.

    Familiarity begins with showing up again.

    Tap to flip
    01

    Propinquity Effect

    The propinquity effect shows that people who cross paths regularly are more likely to form friendships. Repeated proximity creates opportunities for connection.

    Research: Festinger et al., 1950
    02

    Aristotle on Friendship

    Friendship is something you do.

    The best relationships are built through shared life.

    Tap to flip
    02

    Aristotle on Friendship

    Aristotle believed the deepest friendships grow through mutual goodwill, shared experiences and time. Friendship is cultivated, not simply discovered.

    Source: Nicomachean Ethics, Books VIII–IX (philosophy)
    03

    Attachment Science

    We never outgrow the need for connection.

    Independence doesn't erase our need for dependable people.

    Tap to flip
    03

    Attachment Science

    Attachment research shows that close relationships can provide security throughout adulthood. We still need people we can count on.

    Research: Bowlby; Hazan & Shaver, 1987
    04

    Co-regulation

    Our nervous systems are social.

    Connection isn't just emotional. It's physiological.

    Tap to flip
    04

    Co-regulation

    Supportive relationships can help us regulate stress and feel safer. Our bodies respond not only to our surroundings, but to the people beside us.

    Research: Coan et al., 2006
    05

    Interpersonal Synchrony

    Move together. Feel closer.

    Sometimes connection starts before conversation.

    Tap to flip
    05

    Interpersonal Synchrony

    Research suggests that moving in synchrony can increase cooperation and social bonding. Shared rhythm can create a sense of togetherness.

    Research: Rennung & Göritz, 2016
    06

    Shared Effort

    Do hard things. Find your people.

    Shared challenges become shared stories.

    Tap to flip
    06

    Shared Effort

    Studies suggest that experiencing challenges together can strengthen cooperation and bonding. Working toward something together creates common ground.

    Research: Bastian et al., 2014
    07

    Mere Exposure Effect

    Familiarity changes everything.

    The first hello is different from the sixteenth.

    Tap to flip
    07

    Mere Exposure Effect

    The mere exposure effect shows that repeated exposure can increase liking. Familiarity can make social interaction feel easier, though repetition alone doesn't guarantee friendship.

    Research: Zajonc, 1968
    08

    Social Baseline Theory

    We weren't built to do it all alone.

    Support changes how we experience effort.

    Tap to flip
    08

    Social Baseline Theory

    Social Baseline Theory proposes that our brains expect access to supportive relationships. Trusted people can help reduce the perceived burden of life's challenges.

    Research: Beckes & Coan, 2011
    09

    Psychology of Mattering

    From anonymous to expected.

    Belonging begins when your presence matters.

    Tap to flip
    09

    Psychology of Mattering

    Mattering is the feeling that others notice, value and care about you. Being expected and missed can help transform a group into a community.

    Research: Rosenberg & McCullough, 1981
    Sarah Larsen, founder of Forge

    Built on years of writing about the science of connection.

    Forge is the work of Sarah Larsen, a screenwriter, digital course builder and nervous system educator whose writing on psychology, brain health, attachment science and adult belonging has reached more than 13 million readers.

    Her writing weaves science with storytelling, turning dense research into embodied understanding.

    Forge is what happens when those ideas leave the page.

    How connection-friendly is your life?

    You don't need to be lonely to have a social life that's working against you.

    Take the 90-second Connection Scorecard to see whether your life has the conditions real friendship needs — and where the gaps are.

    Take the free scorecard →
    ⏱ 90 seconds⚡ Instant results$ Free

    Your connection score

    63%

    Your social life is missing some of the conditions that help friendship grow.


    ↻

    Consistency

    6 / 8

    You see the same people regularly.

    👥

    Shared effort

    4 / 8

    There's mutual effort for each other.

    ⌛

    Duration

    5 / 8

    You've known each other long enough for trust to grow.

    Take your own scorecard →
    A group of friends walking down a street together, laughing

    Ready when you are.Your crew starts here.

    Apply for the next cohort →

    The Forge Dispatch.

    Honest writing on connection and community, plus first word when a cohort opens near you.