Why Does Japan Have Four Public Racing Sports?

Japan has an unusually specific answer to one question:

What can the public legally bet on in a race?

Horse racing.

Bicycle racing.

Motorboat racing.

Motorcycle racing.

Together, these form Japan’s major kōei kyōgi — public racing systems.

But why these four?

Why not car racing?

Why not running?

Why not baseball?

And why are horse racing, Keirin, Boat Race and Auto Race regulated by different ministries?

The answer is that Japan never sat down and selected four ideal sports for gambling.

The four systems emerged separately at different points in Japanese history, under different laws and for different policy purposes.

Horse racing came first and has roots going back far before World War II.

The other three were created during Japan’s postwar reconstruction period, when legalized racing was used not only as entertainment but also as a mechanism for industrial promotion, public-interest funding and local-government finance.

The modern category of “four public racing sports” is therefore best understood as the result of history.

First, what does “public racing” mean?

In Japanese, the usual term is kōei kyōgi.

It refers to a group of legally authorized racing systems in which betting is permitted under special legislation and the races are conducted within tightly regulated public frameworks.

The four are:

Public racing system	What races?	Main national oversight
Horse racing	Horses	Ministry of Agriculture, Forestry and Fisheries
Keirin	Bicycles	Ministry of Economy, Trade and Industry
Boat Race	Motorboats	Ministry of Land, Infrastructure, Transport and Tourism
Auto Race	Motorcycles	Ministry of Economy, Trade and Industry

This division is not arbitrary.

It reflects the industries and government policies to which each system was historically attached.

That is one of the reasons Japan does not have a single national “gambling ministry.”

Horse racing is the oldest of the four

Horse racing is fundamentally different from the other three because its modern Japanese history began much earlier.

Modern-style horse racing in Japan developed in the nineteenth century.

According to the Japan Racing Association, races involving foreign residents were being held in Yokohama by the 1860s, and betting was taking place at the Negishi racecourse by the late nineteenth century.

Japanese-operated betting expanded in the early twentieth century.

But problems followed.

Horse-racing clubs multiplied, betting enthusiasm grew rapidly, and the government ultimately prohibited betting tickets in 1908 after the new Penal Code came into effect.

Horse racing itself survived.

The industry argued that racing was important not only as entertainment but also for improving horse breeding and encouraging horse production.

Eventually, the old Horse Racing Act was enacted in 1923, restoring legal betting within a statutory framework.

This means that horse racing was already a mature policy issue decades before Keirin, Auto Race or Boat Race existed.

The current horse-racing system was rebuilt after the war

The institutional structure changed again after World War II.

The prewar Japan Racing Society was dissolved during the occupation period.

A new Horse Racing Act was enacted in 1948, and racing temporarily became directly operated by the national government.

This period became known as nationally operated horse racing.

Then, in 1954, the Japan Racing Association — JRA — was established as a special public corporation and took over central horse racing.

JRA remains a statutory corporation supervised by the Ministry of Agriculture, Forestry and Fisheries.

Its legal purpose is closely connected with the healthy development of horse racing and the promotion of horse breeding and livestock industries.

So horse racing became one of Japan’s public racing systems through a long historical path:

nineteenth-century racing → early betting → prohibition → statutory legalization → wartime and postwar restructuring → JRA.

The other three followed a much faster postwar route.

Keirin appeared almost immediately after the war

Keirin is much more directly a product of postwar Japan.

The Bicycle Racing Act was enacted in 1948.

The first Keirin race was held in Kokura, in Fukuoka Prefecture, in November of that year.

This was not simply a new sport that happened to offer betting.

The law tied bicycle racing to several public-policy objectives.

These included:

improving bicycles and other machinery
promoting exports
rationalizing the machinery industry
supporting sports and other public-interest activities
improving local-government finances

That combination makes much more sense in the context of 1948.

Japan was rebuilding its industrial base.

Local governments needed revenue.

Bicycles were a major form of transport and an important manufacturing industry.

A betting system built around bicycle racing could therefore perform several functions simultaneously.

It created entertainment.

It generated local revenue.

And it helped finance industry and public-interest projects.

Keirin was a particularly Japanese invention

This also makes Keirin culturally interesting.

Horse racing had long international traditions.

Bicycle racing existed elsewhere.

But the institutional combination of track cycling, standardized betting and a public-finance system became distinctly Japanese.

Keirin later spread internationally as a cycling discipline.

It became part of the world championships and eventually the Olympic Games.

The international sport, however, is only one descendant of the original Japanese system.

In Japan, Keirin remained a legally authorized public racing business with betting at its core.

Auto Race came next

Two years later, Japan added another racing system.

The Small Motor Vehicle Racing Act was enacted in 1950.

The first Auto Race meeting was held at Funabashi in October 1950.

Today, Auto Race means motorcycle racing.

But this is an important historical detail:

it did not originally mean only motorcycles.

Four-wheel Auto Race events also began at Funabashi in 1952.

The law itself historically covered “small motor vehicles,” not simply motorcycles.

For a time, therefore, Japan effectively had legal public betting on both two-wheel and four-wheel motor racing within the Auto Race framework.

Four-wheel racing was eventually abolished in 1973.

Motorcycle racing survived.

That is why modern Auto Race looks slightly strange to English speakers.

Despite the word “Auto,” the vehicles on the track are motorcycles.

The modern system is the surviving form of what was once a broader motor-racing framework.

Why was motor racing legalized?

The policy logic closely resembled Keirin.

The Small Motor Vehicle Racing Act explicitly connects the system with:

improving small motor vehicles and other machinery
promoting exports
rationalizing the machinery industry
supporting sport and other public-interest activities
improving local-government finances

Again, this reflects postwar industrial policy.

Japan was building industries that would later become globally important.

Machinery and vehicle manufacturing were major national priorities.

A legally controlled racing-and-betting system could raise money while also being institutionally linked to industrial promotion.

The fact that Auto Race sits under the Ministry of Economy, Trade and Industry today is therefore not a historical accident.

Then came Boat Race

The final member of the modern four arrived shortly afterward.

The Motorboat Racing Act was enacted in 1951.

Japan’s first Boat Race was held at Ōmura in Nagasaki Prefecture in April 1952.

The Ministry of Land, Infrastructure, Transport and Tourism describes Boat Race as a Japanese-born public racing system.

Its legal rationale again reveals why this particular race became one of the four.

The law connects motorboat racing with the promotion of:

motorboats and other vessels
marine engines and equipment
ship-related manufacturing
maritime safety
other maritime industries
tourism
sport
public-interest activities
local-government finance

In an island nation rebuilding its industrial economy, maritime industries were strategically important.

Boat Race therefore fitted the same general postwar model as Keirin and Auto Race — but with a maritime rather than machinery-policy connection.

The four systems were never created as one package

This is the most important point.

There was no single law saying:

Japan shall have four legal racing sports.

Instead, the four developed separately.

A simplified timeline looks like this:

Horse racing → nineteenth-century origins → old Horse Racing Act in 1923 → new Horse Racing Act in 1948 → JRA established in 1954

Keirin → Bicycle Racing Act in 1948 → first Kokura Keirin in 1948

Auto Race → Small Motor Vehicle Racing Act in 1950 → first Funabashi Auto Race in 1950

Boat Race → Motorboat Racing Act in 1951 → first Ōmura race in 1952

By the early 1950s, the basic structure of Japan’s modern public racing landscape was already in place.

So why didn’t Japan keep adding more racing sports?

This is where the distinction between a sport and a legal betting system matters.

There are countless competitive sports in Japan.

That does not mean bets can automatically be sold on them.

A new public racing system would require a legal structure defining, among other things:

who may organize the competition
who may sell betting tickets
how payouts are calculated
how competitors are licensed
how races are supervised
how cheating is prevented
how revenues are distributed
which public purposes receive funding
which ministry regulates the system

Horse racing, Keirin, Auto Race and Boat Race already had all of this institutional machinery.

Creating a fifth system would mean creating another major statutory infrastructure.

Japan instead later chose different mechanisms for other sports.

Why isn’t baseball a fifth public racing system?

Baseball illustrates the difference well.

Professional baseball is enormously popular in Japan.

But NPB games are not themselves a public racing system operated under a special racing law.

That does not mean sport can never be connected to legal lottery products.

Japan later created the Sports Promotion Lottery system.

Products such as toto and WINNER use results from sporting competitions within a separate lottery framework.

More recently, basketball was added to the sports-lottery ecosystem, including DUNK.

So Japan eventually expanded legal sports-based wagering.

It simply did so through a different legal architecture.

That is why football or basketball do not become a “fifth public racing sport.”

Why isn’t Takarakuji included?

For the same reason.

Takarakuji is legal.

But it is a lottery.

There is no race whose outcome determines the winning ticket.

The legal and administrative framework is therefore completely different.

The same applies to BIG and other sports lotteries.

Japan has several forms of legally authorized gambling or lottery-like activity, but kōei kyōgi is a narrower historical category.

And pachinko is different again

Pachinko also sits outside the four.

A pachinko parlor does not organize a public race.

It operates as a regulated amusement business.

Its legal structure, regulatory authority and prize system developed separately from the public racing laws.

This is one reason simply translating kōei kyōgi as “legal gambling” can be misleading.

All four public racing systems involve legal betting.

But not all legally available gambling-like activities in Japan are public racing.

A race also makes regulation easier

There is another practical reason racing works well as a public betting format.

A race creates a clearly defined event.

There is a start.

There is a finish.

Competitors can be licensed.

Equipment can be regulated.

Officials can judge the result.

Betting closes before the outcome.

The payout pool can then be distributed according to that result.

Horse racing, cycling, motorcycle racing and motorboat racing can all be built around this basic structure.

This makes them particularly suitable for pari-mutuel betting, where participants bet against the pool rather than against a bookmaker.

Japan’s public racing systems largely developed around this model.

Public racing was also a local-government business

One more feature connects the four.

Public racing has historically been closely associated with local-government finance.

The Bicycle Racing Act allows prefectures and designated municipalities to conduct Keirin.

The Motorboat Racing Act similarly allows specified local governments to conduct Boat Race.

The Small Motor Vehicle Racing Act establishes public entities that can conduct Auto Race.

Local horse racing is likewise conducted within a system involving prefectures and designated municipalities.

This is why the word “public” matters.

These were not originally conceived simply as private gambling companies receiving licenses.

They were institutional mechanisms through which public entities could conduct betting operations under national law.

One category, three ministries

The historical origins also explain one of the strangest features of the system.

The four races are grouped together socially as public racing, but they do not share one national regulator.

Horse racing falls under the Ministry of Agriculture, Forestry and Fisheries.

Keirin and Auto Race fall under the Ministry of Economy, Trade and Industry.

Boat Race falls under the Ministry of Land, Infrastructure, Transport and Tourism.

The division mirrors the policy origins:

horses → livestock and agriculture

bicycles and motor vehicles → machinery industry

motorboats → maritime industry

The gambling element is common.

The industrial-policy origins are not.

The four are therefore historical survivors

So why does Japan have exactly four public racing sports?

Not because someone concluded that four was the optimal number.

Not because these were the four most popular sports.

And not because Japanese law created one general category and selected four members.

The modern four are better understood as historical survivors of separately legislated systems.

Horse racing brought a much older racing and horse-breeding tradition into the modern legal system.

Keirin emerged from the postwar bicycle and machinery economy.

Auto Race emerged from motor-industry policy.

Boat Race emerged from maritime policy.

All four also offered local governments a controlled way to generate revenue.

Once the legal systems, venues, training structures, regulators and funding networks existed, they became durable institutions.

That durability explains modern Japan

Today, it is easy to encounter them simply as entertainment brands.

JRA.

Keirin.

Boat Race.

Auto Race.

But underneath those brands are institutional structures created over decades.

That is why Japan’s public racing map tells us more than what Japanese people can legally bet on.

It also preserves a map of twentieth-century Japan:

agriculture,

bicycle manufacturing,

machinery,

motor vehicles,

shipbuilding,

maritime policy,

local government finance,

and postwar reconstruction.

Four races survived.

But behind them are four different pieces of Japanese economic and administrative history.

In the next article, we will look at the oldest and largest of them in detail:

horse racing — and how JRA became one of the biggest betting institutions in Japan.

Sources and further reading

Japan Racing Association — history of the Horse Racing Act and JRA
Japan Keirin Autorace Foundation — history of Keirin
Japan Keirin Autorace Foundation — history of Auto Race
Ministry of Land, Infrastructure, Transport and Tourism — Motorboat Racing
e-Gov — Bicycle Racing Act
e-Gov — Small Motor Vehicle Racing Act
e-Gov — Motorboat Racing Act
e-Gov — Horse Racing Act

Gambling in Japan — Series

Gambling in Japan: What Is Legal and How Does It Work?
Why Is Gambling Mostly Illegal in Japan — Yet Horse Racing and Lotteries Are Legal?
Why Does Japan Have Four Public Racing Sports? — You are here
Horse Racing in Japan: JRA, Betting and the Money Behind It — Coming soon
Keirin: How Bicycle Racing Became a Japanese Betting Sport — Coming soon
Boat Race: Why Japan Bets on Motorboat Racing — Coming soon
Auto Race: Japan’s Lesser-Known Motorcycle Betting Sport — Coming soon
Takarakuji: How Japan’s Government-Authorized Lottery Works — Coming soon
toto, BIG, WINNER and DUNK: Japan’s Sports Lottery Explained — Coming soon
Pachinko Explained: Is It Gambling in Japan? — Coming soon
Casinos in Japan: How the IR System Is Different — Coming soon
Online Casinos in Japan: Why Overseas Websites Are Still Illegal to Use — Coming soon
Where Does Japan’s Gambling Money Go? — Coming soon
Who Regulates Gambling in Japan? The Ministries Behind Each System — Coming soon
What Are the Odds? Comparing Payout Rates Across Japan’s Lotteries and Public Racing — Coming soon
Why Japan Treats Gambling, Lotteries and Pachinko Differently — Coming soon

Information in this article is current as of September 29, 2026.