Road racing is a term to describe motorsport racing held on a paved road surface. The races can be held on a race track—generally, a purpose-built racing facility—or on a street circuit that uses temporarily closed public . The objective is to complete a set number of laps in the least amount of time, or to accumulate the most circuit laps within a set time.
Road racing emerged the early 20th century, centered in Western Europe and Great Britain, as motor vehicles became more common. After the Second World War, automobile road races were organized into a series called the Formula One world championship sanctioned by the Fédération Internationale de l'Automobile (FIA); motorcycle road races were organized into the Grand Prix motorcycle racing series and sanctioned by the Fédération Internationale de Motocyclisme (FIM). Road races, originally held almost entirely on public roads, were largely moved to closed-circuit tracks to increase public safety.
The sport has spread across the globe; Grand Prix road races have been held on six continents. Variations of road racing include open-wheel racing, sports car racing, touring car racing, stock car racing, superbike racing, truck racing, kart racing and endurance racing.
After disagreeing with Bennett Cup organizers over regulations limiting the number of entrants, the French automobile manufacturers responded in 1906 by organizing the first French Grand Prix race held at Le Mans. During the 1910s, the Elgin National Road Races held on public roads around Elgin, Illinois attracted competitors from around the country and drew large crowds of spectators. The first 24 Hours of Le Mans endurance race was held in 1923. The Automobile Racing Club of America was founded in 1933 and became the Sports Car Club of America in 1944.
Road racing on public roads was banned in Great Britain in 1925 when a spectator was injured at the Kop Hill Climb event. The Royal Automobile Club (R.A.C.) and the Auto-Cycle Union (A.C.U.) stopped issuing permits for races on public roads, a policy that has not changed to this day. Donington Park was the first permanent park circuit in the United Kingdom and held its first motorcycle race in 1931. As automobile and motorcycle technology improved, racers began to achieve higher speeds that caused an increasing number of accidents on roads not designed for motorized vehicles. Public safety concerns ultimately caused the number of road racing events on public roads in Europe to decrease over the years. Notable exceptions are the Mille Miglia which was allowed to continue until 1957 and, the Pau Grand Prix which has been held on the city streets of Pau, France since 1933.
After the First World War, automobile and motorcycle road racing competitions in Europe and in North America went in different directions. Automobile and motorcycle racing in the United States was typically oval track racing on paved tracks such as the Indianapolis Motor Speedway and the Milwaukee Mile track, or on Track racing using widely available horse racing circuits. Automobile dirt track racing would develop into stock car racing. American racing also branched out into drag racing.
Road racing traditions in Europe, South America, Great Britain and the British Commonwealth nations grew around races held on paved, public roads such as the Circuit de la Sarthe circuit near the town of Le Mans, France, the Spa-Francorchamps Circuit in Belgium and the Mount Panorama Circuit in Australia. Certain European race circuits were situated in mountainous regions where the topography meant that the roads featured numerous curves and elevation changes, allowing the creation of sinuous and undulating race courses such as the Nürburgring in the Eifel mountains of Germany and the Circuit de Charade in the Chaîne des Puys in the Massif Central of France. These circuits presented such a challenge that they were both feared and respected by racers. The long Nurburgring with more than 300 metres (1,000 feet) of elevation change from its lowest to highest points, was nicknamed "The Green Hell" by Jackie Stewart, due to its challenging nature. The sinuous track layout of the Charade circuit caused some drivers like Jochen Rindt in the 1969 French Grand Prix to complain of motion sickness, and wear open face helmets just in case.
The success of American racers such as Phil Hill and Dan Gurney in Formula One in the late 1950s sparked to a renewal of interest in road racing in the United States and, led to the construction of new road racing circuits such as Riverside International Raceway, Road America and Laguna Seca. The 1964 United States motorcycle Grand Prix was held at the Daytona International Speedway and led to increased international prominence for the Daytona 200 road race which peaked in 1974 with the victory by 15-time world champion Giacomo Agostini.
The Formula One championship experienced its worst tragedy during the 1961 Italian Grand Prix at Monza, when driver Wolfgang von Trips lost control of his Scuderia Ferrari and crashed into a stand full of spectators, killing 15 and himself. In 1970, Jochen Rindt won the Formula One drivers' championship posthumously, the only man to do so, underlining the continuing risks associated with road racing. The tragedies highlighted the need for improved safety standards for both drivers and spectators; safety would continue to be an issue throughout the 1960s and 1970s.
When motorcycle racer Gilberto Parlotti was killed while competing in the 1972 Isle of Man TT, it sparked a rider's boycott of the event led by multi-time world champion, Giacomo Agostini, a close friend of Parlotti. Once the most prestigious race of the year, the event was increasingly boycotted by the top riders, and in 1976, the Isle of Man TT finally succumbed to pressure for increased safety in racing events and had its world championship status revoked by the FIM.
Another motorcycle racing incident occurred at Monza during the 1973 Italian motorcycle Grand Prix when a racing accident claimed the lives of world champion Jarno Saarinen and Renzo Pasolini. After the von Trips accident in 1961, the Monza Circuit had been lined with steel barriers as a result of demands by automobile racers. Most auto racers believed steel barriers would improve safety for auto racers and spectators, but they had the opposite effect for motorcyclists and proved fatal for Saarinen and Pasolini.
The dangers of street circuits was further exposed at the 1975 Spanish Grand Prix held on the twisty, tree-lined Montjuich circuit in Barcelona. The racing drivers found that the circuit's safety barriers had been shoddily installed and threatened to strike if the barriers were not brought up to standard. Under pressure from race organizers, the race was started only to be stopped after 29 laps when the car of Rolf Stommelen plowed into the crowd, killing four spectators.
Although events held on closed public roads such as the Isle of Man TT, lost their world championship status due to their considerable safety risk, their popularity continued to flourish leading to a branch of road racing known as Traditional Road Racing. Traditional road racing on closed public roads is popular in the United Kingdom, New Zealand and parts of Europe. The Duke Road Racing Rankings was established in 2002 to establish rider classifications in traditional road racing events such as the North West 200 and the Ulster Grand Prix.
In Formula One, street circuits have made a comeback with the Melbourne Grand Prix Circuit, Las Vegas Grand Prix, and the Baku City Circuit joining the Circuit de Monaco as part of the world championship. There are no street circuits being used in MotoGP racing.. In North America, racing on public streets takes place at the Grand Prix of Long Beach, the Firestone Grand Prix of St. Petersburg, the Detroit Grand Prix, and the Honda Indy Toronto.
The FIA created the International Karting Commission (CIK) in 1962 and, in 1964, the first CIK Karting World Championship was won by Guido Sala. Karting has become a significant step in the development of road racers including Formula One world champion Lewis Hamilton. The European Truck Racing Championship was founded in 1985. A Superbike World Championship for road-going production motorcycles was created in 1988.
As road racing grew in popularity it eventually expanded across the globe with Grand Prix road races having been held on six continents. Expansion of the Formula One and MotoGP series has resulted in many dedicated tracks being built, like in Qatar in the Middle East, Sepang in Malaysia, and Shanghai in China.
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