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
San Fermín and a different "encaste" (sub-breed) of bull appears each day. The event begins at 8 a.m. when a first firecracker is lit to announce the release of the bulls from their corral. Before the year 1924 it started at 6 and at 7 between 1924 and 1974. Runners gather earlier at the beginning of the itinerary to ask for the protection of the Saint by singing a chant three times before a small statue of San Fermín which has been placed in a raised niche in a wall: “"To San Fermin we ask to be our patron saint and to