Running of the Nudes same route taken by the Running of the Bulls, from the Santo Domingo corrals through the town’s streets, ending at the Plaza de Toros. The length of the run is some 800 metres (about half a mile) and the event takes about one hour. In 2002, approximately 25 naked streakers ran through Pamplona's winding streets to promote an alternative to the Running of the Bulls. Subsequent events saw a steady increase in the numbers of runners with an estimated 1000 nude or semi-nude runners taking part in the event in 2006. Animal welfare groups across Europe and in North America
Running of the bulls run for almost 700 years until it was abandoned in 1837. According to local tradition, the custom dated from the time of King John when William de Warenne, 5th Earl of Surrey, saw two bulls fighting in the meadow beneath. Some butchers came to part the combatants and one of the bulls ran into the town, causing a great uproar. The earl, mounting his horse, rode after the animal, and enjoyed the sport so much, that he gave the meadow in which the fight began, to the butchers of Stamford, on condition that they should provide a bull, to be