Since 2011 Pamplona City Hall is using the pertinent technology that allows the participants in the Running of the Bulls to be counted. In 2011, 20.500 runners in total took part in the eight Sanfermin running of the bulls this year. The 7th of July saw the highest number of participants - a total of 3.600 runners took part in the running and the 14th of July saw the lowest number of participants with a figure of 1600.
The hard facts gathered from the survey have helped to dispel several myths about the running of the bulls. For example, that the opening day - the 7th of July is when the highest number of participants can be found and not at the weekends, as generally believed. The survey also found that on any given day, half of the runners are taking part for their first ever time. As for the origins of the runners, it has always been popularly believed that most runners are local people or people from within the Spanish State. However, in 2011 on the 7th and 8th of July, there were as many foreign participants as national ones and on the14th of July, the final running of 2011, there were more foreigners than people from within the Spanish State. On average, 37% of all the runners come from Anglo-Saxon countries. Friday, Saturday and Sunday were the days when there were a lower percentage of foreign runners. See survey details.