The annual running of the bulls in Pamplona, Spain, kicks off this week. This takes place every year from the 6th to the 14th of July. 

According to the New York Post Two Americans and a Briton were gored and eight others, including 3 Americans, were injured Tuesday as thousands ran alongside fighting bulls through the streets of the northern Spanish city. The New York Post reports what actually happens during the 9 day fiesta.

The daily run sees people dashing with six bulls along a narrow, 930-yard course from a holding pen to the city’s bullring. The bulls are then killed by professional matadors in bullfights each afternoon. The nine-day fiesta in Pamplona, which features 24-hour street partying, was made famous in Ernest Hemingway’s 1926 novel “The Sun Also Rises” and attracts thousands of foreign tourists.

Three other Americans were among the eight injured, mostly with bruises that were sustained in falls. You can see no one is safe as the crowd crushes everything during the nationally televised run that lasts just over two minutes.

19 people have died from the gorings between 1910 and 2014. The running of the bulls is about a half mile and lasts between 2-10 minutes. Animal rights groups have recently  started criticizing the event for it's treatment of the bulls.This year they've painted themselves in blood red paint to protest the bull fighting.

Watch this video for the history behind the tradition

Here is the first run this year. AP reports that Spain's Red Cross says one person was gored and six others injured as thousands of daredevils dashed alongside fighting bulls through the streets of Pamplona. The San Fermin Festival began on Tuesday.

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