KISSIMMEE, FLORIDA : Cowboys discuss the upcoming competition at the PRCA (Professional Rodeo Cowboys Association ) Extreme Bulls rodeo event. The Xtreme Bulls Series was established in 2003 by the PRCA as a way to showcase rodeos most popular event bull riding. The Xtreme Bulls makes 10 stops in 8-cities, are televised and feature the best in bull riding from the bulls to the cowboys. Kissimmee, Florida. USA.