17 June 2026  ·  4 min read  ·  Joel Hagmüller

Why I built padelfin

I've organized games my whole life.

Twenty years in Barcelona, and for most of them I was the person sending the first message. Beach volleyball for a few years. Then football, for over a decade. And padel for the last year and a half. Every week, the same ritual: who's in, what time, who's bringing the ball(s), who still owes from last time. Different sport, same role. I was always the one making it happen.

And it's never just sport. I'm the one who plans the family holiday, finds the hotel, books the rental car. The friend who ends up organizing the trip, the dinner, the night out. It's simply how I'm wired — if something good is going to happen with other people, somebody has to start it, and that somebody is usually me.

With sport especially, you don't really get to stop. Nobody asks you to organize — you just do it, because if you don't, the game doesn't happen, and if the game doesn't happen, you don't get to play. So you keep sending the first message. And the game happening is always worth it: the match, the laughs, the beer afterwards where the score stopped mattering. That part everyone remembers.

What nobody remembers is the chaos it took to get there. It's never a few messages — it's dozens, spread across group chats and side DMs, a week of maybes and last-minute changes, someone in and then out, someone new pulled in to cover. You send the first message days in advance and you're still not sure it's happening until people are actually there.

I loved it anyway. Because when everyone shows up and you play a great game and end up laughing over a beer — that's the whole thing. That part makes everything worth it.

But I also started noticing how many games never made it that far. Not because people didn't want to play — but because coordinating a group of humans is genuinely hard, and sometimes nobody had the bandwidth to push it through that week. Groups that played for years would quietly fade. Not with a goodbye, just fewer messages, then none.

Padel made it undeniable.

There's something about this sport that raises the stakes on all of it. The court has to be booked — your name, your card. The group has to be exactly right. And padel moves fast: the community around it is growing, the energy is high, people genuinely want to play more. All of which means more games to organize, more groups to hold together, more of that familiar beautiful chaos.

At some point I stopped thinking about the games I'd organized and started thinking about the ones that never happened. The groups that had everything going for them — the right people, the enthusiasm, the intention — but fell apart in the coordination. And I realized: this problem has a solution. It's not about people being flaky or courts being expensive. It's pure friction. Remove the friction, and people play. That became the idea.

Solve the coordination, and everything else takes care of itself. The courts fill. The groups stick together. People play more — not because an algorithm matched them, but because playing got easier than not playing.

When I started looking for a solution, I discovered there were apps for everything — booking courts, finding opponents, tracking your level. Impressive infrastructure. But the court where I actually play wasn't on any of them. And none of it touched the real problem anyway: the people keeping it together. The coordination. The invisible work of keeping people together. (I have more to say about that — a deeper look at the industry is coming soon.)

What padelfin is built around

So I built it around the group, not the court. You bring together the people you actually want to play with — and when it's time to play, one message goes out and everyone's in. The court fee splits itself. The reminders send themselves. The quiet admin that used to fall on one person simply dissolves, until the only thing left is what you came for: show up and play.

And underneath all of it is a simple idea about trust. padelfin doesn't rank you by skill or sort you by level. The Fin Score is built around what actually makes someone good to play with: you show up, on time, and you bring good vibes. That's it. That's what holds a group together — and that's what padelfin measures.

There's a professional side to all this, too. For years my work has been global operations — building the systems that let large, complicated things run smoothly across countries and teams. For a long time I thought of that as completely separate from being the friend who organizes the game. It isn't. Coordinating four people for a Tuesday match and coordinating operations at scale are the same problem in different clothes: get the right people aligned on the right thing at the right time, and remove every bit of friction in between. padelfin is that instinct — the one I've followed my whole life — finally pointed at the sport I love.

I built padelfin because I spent fifteen years organizing sport and I know exactly what it means to be the person it's for. I know exactly what that role costs, and I know exactly what it feels like when the game finally happens and it's the right people on the right court on a good evening.

That feeling is what padel is really about. Everything I'm building is in service of it.

Game on. 🐬

— Joel Hagmüller, founder of padelfin. Barcelona, 2026.