Write an engaging roundup of July’s equestrian events at Del Mar Fairgrounds, highlighting key performances and moments from the racing community. Incorporate stories of notable horses and trainers, such as their journeys, challenges, and triumphs throughout the month. Discuss any emerging trends in horse racing and training highlighted by this month’s events. Additionally, weave in insights about the science of thoroughbred performance and the importance of equine welfare, connecting it to the excitement at Del Mar. Conclude with a look ahead to upcoming races and events that will continue to shape the California horse racing scene.