PAMPLONA, Spain — Several thousand people tested their bravery Wednesday by dashing with six fighting bulls through the streets of the northern Spanish city of Pamplona in the fifth day of the famed San Fermin festival. Two people were treated for minor injuries, but no one was gored.

The bulls, accompanied by guiding steer, stayed together for much of the chase but one broke free toward the end, causing fear among screaming runners. An isolated bull is more dangerous because it can become disoriented and more likely to charge.

Red Cross spokesman Alfonso Contin said there were no gorings, while the city's Navarra Hospital said a 56-year-old American from New York was treated for a hand injury and a 32-year-old Spaniard suffered a broken nose.

The two were identified only by their initials. The hospital had initially said three people were injured.

The nine-day festival, made famous by Ernest Hemingway's "The Sun Also Rises," finishes Saturday. It attracts tens of thousands of foreigners, mostly from the United States, Britain, and Australia.

In the four runs prior to Wednesday, four people – including two Britons and an American – were slightly injured in minor gorings.

In the runs, the bulls are released from a pen and herded at great speed along a narrow, winding 849-meter (928-yard) course to the city bullring. The near three-minute event is held each morning at 8 a.m. and is preceded by all-night partying in the city.

The bulls used in the centuries-old fiesta can weigh more some 600-kilogram (1320-pound) and have killed 15 people since record keeping began in 1924. The last person to die was a young Spaniard in 2009. The bulls are usually killed by matadors in evening bullfights.

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Giles contributed from Madrid

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  • "Pamplonicas" dance "El Baile de la Era," in Plaza del Castillo square, at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • A reveler is tossed by one cow in the bull ring, at the end of third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • A cow jumps over revelers on the bull ring, at the end of third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • A reveler is tossed by a bull in the bull ring, at the end of third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • A reveler tries to escape a bull in the bull ring, at the end of third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • Revelers wait for the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012. (AP Photo/Daniel Ochoa de Olza)

  • A reveler looks from the fence installed to avoid bulls as she waits for the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012. (AP Photo/Daniel Ochoa de Olza)

  • Revelers wait for the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012. (AP Photo/Daniel Ochoa de Olza)

  • Revelers wait for the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012. (AP Photo/Daniel Ochoa de Olza)

  • Revelers and a Cebada Gago's ranch fighting bull fall during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012.(AP Photo/Daniel Ochoa de Olza)

  • A reveler runs in front of a Cebada Gago's ranch fighting bull during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012. (AP Photo/Daniel Ochoa de Olza)

  • Revelers run in front of a Cebada Gago ranch fighting bull during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012. (AP Photo/Daniel Ochoa de Olza)

  • Revelers run in front of a Cebada Gago's ranch fighting bull during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012. (AP Photo/Daniel Ochoa de Olza)

  • Revelers run in front of a Cebada Gago's ranch fighting bull during the running of the bulls of the San Fermin festival, in Pamplona, Spain, Monday, July 9, 2012. (AP Photo/Daniel Ochoa de Olza)

  • A bull jumps over revelers in the bull ring, at the end of third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • A bull jumps over revelers in the bull ring, at the end of third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • Revelers run on the Callejon way with a Cebada Gago ranch fighting bull, during the third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • Revelers run on the Callejon way surrounding by two Cebada Gago ranch fighting bull, during the third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • Revelers run on the Callejon way beside a Cebada Gago ranch fighting bull, during the third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)

  • Reveler runs on the Callejon way beside a Cebada Gago ranch fighting bull, during the third running of the bulls at the San Fermin fiestas, in Pamplona northern Spain, Monday, July 9, 2012. (AP Photo/Alvaro Barrientos)