Running of the bulls into the turn at Estafeta ("la curva"), resulting in the installation of anti-slip surfacing, and now most of the bulls negotiate the turn onto Estafeta and are often ahead of the steers. This has resulted in a quicker run. Runners are not permitted in the first 50 meters of the encierro, which is an uphill grade where the bulls are much faster. Every year, between 50 and 100 people are injured during the run. Not all of the injuries require taking the patients to the hospital: in 2013, 50 people were taken by ambulance to Pamplona's hospital, with this number
Running of the bulls common and traditional attire is white trousers, white shirt with a red scarf around the waist and a red handkerchief around the neck. Another common dress practice, seen as a risk by some but as a daring depiction of courage by others is dressing in a conspicuous manner. Many runners that want to be seen wear colors other than white, a common alternate color choice is blue. Others include large logos on their shirt to capture the attention of the bulls. In the age of social media explosion, this is also thought to be a way to highlight someone in