Running of the bulls bullring, which acts as a funnel as it is much narrower than the previous street. In such cases injuries come both from asphyxia and contusions to those in the pile and from goring if the bulls crush into the pile. This kind of blocking of the entrance has occurred at least ten times in the history of the run, the last occurring in 2013 and the first dating back to 1878. A runner died of suffocation in one such pile up in 1977. Overall, since record-keeping began in 1910, 15 people have been killed in the bull running of Pamplona,
Running of the bulls least ten bulls are run together through the street guided by a group of twelve mounted on white Camargue horses; the , in which one bull is released outside the foyer and finds his own way back to the pen; the , in which one bull is run, accompanied through the streets; and the , which is the same thing but after dark. Boys and men run with the bulls and try and separate them from the horses, stop them, and physically turn them away from the horses. The English town of Stamford, Lincolnshire was host to the Stamford bull