Karts were first created in the United States in the 1950s, built by aeroplane pilots who wanted to come up with a sport for their free time. The American Art Ingels is internationally recognised as the father of karting. He built the first kart circuit in southern California in 1956. The sport quickly spread to other countries and is widely practised in Europe. In Brazil, karting began to take shape in the 1960s. Currently, the best-known race in Brazil is the "500 miles of karting Granja Vianna", in which drivers from all over the world go head to head in a 12 hour race. Karting first appeared in Portugal in the 1960s as well. There are kart circuits throughout the country, with most in the centre of the country.