Write an article summarizing the key events and highlights from August at the Del Mar Thoroughbred Club, focusing on major races, horse performances, and notable announcements. Incorporate specific details about trainers, horses, and their recent successes, including the significance of upcoming events like the G1 Clement Hirsch. Explore how the science of equine physiology and training contributes to the performance of the horses in these races, emphasizing the dedication behind their success. Highlight any community or educational initiatives associated with the club, such as handicapping seminars and historical publications. Conclude by reflecting on the continued legacy and excitement of thoroughbred racing at Del Mar.