Why Japanese School Sports Days Look Like Tiny Battles

Undokai isn’t just about sports. It’s about learning how to move, shout, compete, and belong as a group.

Photo by the author.

Last month, my son danced eisa.

Not at a festival. Not at a cultural event. At his school sports day.

Eisa is a traditional Okinawan dance — drums, specific movements, specific costumes. A performer came from Okinawa to teach the children. My son’s school took it seriously. The children took it seriously.

I watched him from the crowd, yellow headband tied, holding his drum, moving with a hundred other kids in near-perfect unison.

And I thought: why does a sports day in Tokyo involve a traditional Okinawan dance?

Honestly, I don’t know. It was the same when I was a child. We danced soran bushi. Other schools do yosakoi. Nobody questions it. It’s just what you do at undokai.

What undokai actually is

Undokai (運動会) translates roughly as “exercise meeting” or “athletic meet.” But that doesn’t come close to capturing what it is.

Every child is assigned to a team — red or white. Kohaku. The colors divide the school. For weeks before the day, children practice. Not just the dances. The formations. The cheers. The relay handoffs.

On the day itself, the teams compete for points. Red vs white. Every event contributes to the score. At the end, one team wins.

The children know this. They care about this.

When my son’s team lost an event, some of the kids cried. Real tears. Over a ball-toss game.

To an outside observer, that might seem like too much. But I understood it completely. They had practiced for weeks. They had worn the colors. They had shouted together. When you belong to something that completely, losing hurts.

Almost every event at undokai is a team event.

Tamagaeri — ball toss, where teams throw balls into baskets as fast as they can. Kibasen — cavalry battles, where children form human horses and try to knock off each other’s headbands. Tsunahiki — tug of war. Group relay races where a dropped baton feels like a personal failure to thirty people at once.

Individual events exist, of course. But they rarely feel like the heart of the day.

In many Western school sports days, the focus is often on individual performance. Who runs fastest. Who jumps highest. Personal records. Personal glory.

Japanese undokai is almost entirely the opposite. The individual disappears into the group. What matters is how you move together.

The dances are the purest expression of this.

Soran bushi. Eisa. Yosakoi. These aren’t performances for the audience. They’re something children do together, in formation, after weeks of practice, in front of the whole school and every parent who could come.

My son’s teacher sent a message after the day. “They practiced so hard for so long. I’m proud of all of them.”

Not: “Congratulations on your scores.” Not: “Well done to the winners.”

Just: they worked hard. Together. That’s what mattered.

When I was a child, undokai was a full day.

Families came with elaborate bento boxes. Mothers spent the morning before cooking. The school field became a kind of festival. Some parents arrived early to claim the best spots.

Now, at my son’s school, it ends by noon. No bento. Wristbands instead of territory wars. Some things have changed.

But the red headbands and the white headbands are still there. The cheerleaders still shout with everything they have. The children still cry when they lose.

The form changes. The feeling doesn’t.

Undokai is not really about sports.

It’s about learning that you are part of something bigger than yourself. That your effort is connected to other people’s effort. That winning and losing happen together.

You learn this at six years old, on a school field, wearing a color you didn’t choose, dancing a dance from an island you may never visit.

And somehow, it stays with you.

👏 If this made you see Japanese school culture differently, give it a clap! 💬 What was your school sports day like? Tell me in the comments.

About me: I’m Japanese and have watched my son dance eisa at his school sports day with a full heart. I share insider perspectives on Japanese culture and everyday life. You can find traditional Japanese tools and ingredients at Wabisabi Kitchen. (Link in my profile)