Sergio Colas Browse All Authors Top 3 quotes by Sergio Colas When I'm in front of the bulls, I have so much adrenaline, this is why I keep running, because I love it. Sergio Colas lifestyle The most important thing in the bull-run is what you see, and I see more than others do. Sergio Colas lifestyle I used to be able to feel the vibration of the stampede and that of the bells of the steers. Sergio Colas lifestyle