Media Gallery Videos The Pennsylvania Horsemen's Benevolent and Protective Association (HBPA) has produced several videos, which underscore the integrity of horse racing, as well as the ongoing dedication to the health and safety of our athletes, human and equine: PETRL - PA EQUINE TOXICOLOGY AND RESEARCH LABORATORY from KEYSTONE FILMS on Vimeo. VETERINARY OVERSIGHT - PA HORSE RACING from KEYSTONE FILMS on Vimeo. HORSE ID - PA HORSE RACING from KEYSTONE FILMS on Vimeo. Follow us on social media! You don't want to miss any exciting events!