Road bicycle racing began as an organized sport in 1868. The first world championship was in 1893 and since then, it has never stopped. Cycling is, now, one of the modalities of the Modern Olympic Games.
Tour of Spain
Every year the route changes but the race has to obey, at least, at two time trials-the passage through the Pyrenees and the finish in the Spanish capital Madrid. In 2012 La Vuelta a España was won by the Spaniard Alberto Contador.
Giro d'Italia
It occurs every year on the last days of May and beginning of June. It is a race performed by riders from different nationalities.
In 2012 the Canadanian Ryder Hesjedal won the race and it becomes the first Canadian winner in the history of the Giro d'Italia.
Le Tour de France
According to tradition, this race occurs in July. As it happens with the spanish tour, the route changes each year and the format has at least two time trials - the passage through the Pyrenees and the Alps, and the finish on the Champs-Élysées, Paris. The tour lasts 23 days. Last year, the race was won by Bradley Wiggins, who was the first British to win in Tour de France.