Running of the bulls famously at Stamford until 1837. The origin of this event comes from the need to transport the bulls from the fields outside the city, where they were bred, to the bullring, where they would be killed in the evening. During this "run", youngsters would jump among them to show off their bravado. In Pamplona and other places, the six bulls in the event are still those that will feature in the afternoon bullfight of the same day. Spanish tradition holds that bull-running began in northeastern Spain in the early 14th century. While transporting cattle in order to sell them at
Running of the bulls of the herd has entered the bullring and its corral respectively, marking the end of the event. The average duration between the first rocket and the end of the encierro is two minutes, 30 seconds. The encierro is usually composed of the six bulls to be fought in the afternoon, six steers that run in herd with the bulls, and three more steers that follow the herd to encourage any reluctant bulls to continue along the route. The function of the steers, who run the route daily, is to guide the bulls to the bullring. The average speed of the