Keirin in Japan: Understanding this unique sport and its universe

Born immediately after the war in Japan, Keirin is more than just a cycling race. It is a demanding speed sport, structured around a rigorous system and closely linked to the local economy and the public betting system. Even today, it is a unique universe in the Japanese sporting landscape, with its rules, its athletes trained in a specialized academy, and its financial stakes.

All Traditional Japanese Sports: A Journey to the Heart of Traditions

Origins and operation of keirin

Keirin appeared in 1948 in the city of Kokura (now Kitakyushu), with the aim of generating public revenues to finance post-war reconstruction. From the start, it was designed as an authorized and regulated betting sport. In contrast to classic cycling competitions such as “continuation” or “counter-watch”, keirin is based on a direct confrontation between several cyclists in a velodrome, according to codified rules.

This sport is distinguished by a strategic observation phase and a gradual rise in speed, up to an intense final sprint. A motorcycle, calleddernyorpecer, opens the race at moderate speed for the first laps. It is only after the withdrawal of this pilot runner that athletes can actually launch their attack. Platoon placement, reading and explosiveness become decisive.

Administrative organization and legal framework

Keirin is one of four sports allowed in Japan for public betting, alongside horse, boat and motorcycle races. It is regulated by the Law on Cycling Competitions and is supervised by theMinistry of Economy, Trade and Industry. Its organization is mainly carried out by theJKA Foundationwhich coordinates the activities of local authorities, race organizers, referees, and training structures.

Each organising city (usually a municipality) signs an agreement with professional runners and teams to organise the events. The concrete management of events, from schedule to technical controls, is delegated to the regional branches of the JKA.

The proceeds of the bets are distributed among the winnings paid to the players (about 75% of the bets), operating costs, contributions to public projects (education, infrastructure), and direct benefits to local authorities. This explains the interest of cities in maintaining and promoting keirin.

Race categories

The Japanese keirin has several distinct formats, each with its own technical rules, structure and specific material. The main variants are:

Classic Keirin (male): historical format with steel frame bikes, ray wheels, strategic line, and progressive speed. Runners can form tactical alliances during the race.
Girls Keirin (female): restarted in 2012 after an interruption since the 1960s. The rules are similar, but with additional restrictions on physical contact and blocking strategies.
Keirin Advance / PIST6: new forms of keirin with more international rules (inspired from the UCI), often on short track (250 m), with carbon bikes and disc wheels.

It is also important not to confuse these Japanese formats with theinternational keirin, integrated into the UCI competitions and the Olympic Games, based on standardised rules, stricter rules on race behaviour and equipment.

The training of runners

Becoming a professional keirin runner in Japan is a must-have step:the training school for professional cyclists, today calledJapan Keirin School, located in Iwaki. It is a unique centre that trains future athletes both physically, technically, tactically and ethically.

Entry is by competition, with theoretical, physical and cycling performance tests. There are two streams: the classical path for young riders from a club or university, and the special path for already seasoned athletes, such as former road cyclists or even elite athletes from other disciplines.

Women and men receive separate training, about a year. The discipline is strict: uniform, military schedule, hierarchy, daily training. Upon exit, graduates obtain a professional license to be posted in one of the 36 regional branches of the Japan Keirin Association.

The classification system

Once entered the circuit, each runner starts at thelevel A3, in so-called “Challenge” competitions. There are three main levels of competition: A (beginner), S (elite), and at the top, theS-Class Super, which brings together the top 9 cyclists in the country.

The ranking is determined by a system of points awarded according to the results, taking into account the opponents encountered, the difficulty of the race and the format. The promotion or demotion system is carried out every six months. The level of a rider is identifiable to his running shorts: black to green edged for A-class, red for S-class, bright red to black line for S-class.

This hierarchy creates a constant competitive dynamic and also allows the public to better anticipate the results, which feeds interest in betting.

Velodromes and geography of keirin

There are currently some 40 active velodromes in Japan. Some, such as those ofKawasaki,Keirin-cho (Fukuoka)orMatsudoare very famous. Due to climatic conditions, theHakodate,Aomori,Toyama,YahikoandFukuiclose during the winter.

The infrastructure is adapted to the needs of the races, with concrete or asphalt tracks, often outdoors, although covered runway projects develop with the PIST6 format.

Each velodrome has its own identity, with its traditions, its audience, its loyal betting groups. Some events are closely monitored, such as regional grand prizes or high stake national tournaments.

The female keirin : Girls Keirin

Long excluded, women have regained their place in the world of keirin with the launch in 2012 of theGirls Keirin. This version attracts more and more spectators and betters, especially online. Races are technically close to those of men, but the rules are stricter regarding contacts and lateral movements.

Women undergo the same initial training, receive a formal assignment and integrate the professional circuit under the same points system. By 2024, there were more than 200 professional runners. This growing presence has energized the young and female audience, until then little attracted to this sport.

Paris, financial challenges and social benefits

The keirin generates several hundred billion yen of turnover each year thanks to bets. 75% of the bets are redistributed to the winners, the rest is used to pay the athletes, to finance organisational costs and, above all, to feed the caisses of the local authorities.

This money is often used to finance road projects, public facilities, education and health support. In the 1950s-1960s, some of Keirin’s revenues even contributed to technological research, such as the development of the first Japanese electronic computers.

Today, although competing with other forms of entertainment, keirin remains an important source of income for some municipalities.

Full, codified and demanding sport

The Japanese keirin is a codified universe, combining race strategy, military discipline, and strict professional hierarchy. It’s not just a show, it’s not a rough speed competition. The tactical aspect is crucial: riders must read the race, anticipate attacks, decide the right time to launch their sprint, or block a rival.

Regional or personal alliances are sometimes visible, especially in races at stake. Some runners try to protect a comrade from the same group. But cheating is severely punished, and distorted bets are tracked by the authorities.

In this sense, keirin remains a unique sport in the world, both rooted in local practices and constantly adapting. It is part of these unknown but fascinating experiences to explore during a stay in Japan.

For sports enthusiasts, Japanese culture enthusiasts or betting enthusiasts, keirin offers a unique immersion in a world where cycling, economic issues and social dynamics meet daily.

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